"abyssal features","Used for","abyssal hills" "abyssal features","Used for","abyssal plains" "abyssal features","Broader Terms","seafloor features" "abyssal hills","Use","abyssal features" "abyssal plains","Use","abyssal features" "academies","Use","educational facilities" "accelerators","Use","research facilities" "access areas","Use","recreational facilities" "access sites","Use","recreational facilities" "adits (mine sites)","Scope Note","A nearly horizontal passage from the surface in a mine. [WWWebster Dictionary]" "adits (mine sites)","Use","mine sites" "administrative areas","Used for","administrative divisions" "administrative areas","Used for","buffer zones" "administrative areas","Used for","civil areas" "administrative areas","Used for","concession areas" "administrative areas","Used for","demilitarized zones" "administrative areas","Used for","districts" "administrative areas","Used for","free trade zones" "administrative areas","Used for","leased areas (government)" "administrative areas","Used for","leased zones (government)" "administrative areas","Used for","prefectures" "administrative areas","Used for","protectorates" "administrative areas","Used for","sheikdoms" "administrative areas","Used for","sultanates" "administrative areas","Used for","trade zones" "administrative areas","Narrower Terms","military areas" "administrative areas","Narrower Terms","parks" "administrative areas","Narrower Terms","political areas" "administrative areas","Narrower Terms","populated places" "administrative areas","Narrower Terms","postal areas" "administrative areas","Narrower Terms","reference locations" "administrative areas","Narrower Terms","reserves" "administrative areas","Narrower Terms","school districts" "administrative areas","Narrower Terms","statistical areas" "administrative areas","Narrower Terms","territorial waters" "administrative areas","Narrower Terms","tribal areas" "administrative divisions","Use","administrative areas" "adminstrative facilities","Use","buildings" "agricultural colonies","Use","populated places" "agricultural facilities","Use","agricultural sites" "agricultural reserves","Use","agricultural sites" "agricultural reserves","Use","reserves" "agricultural schools","Use","educational facilities" "agricultural sites","Used for","agricultural facilities" "agricultural sites","Used for","agricultural reserves" "agricultural sites","Used for","bailing stations" "agricultural sites","Used for","banana plantations" "agricultural sites","Used for","barns" "agricultural sites","Used for","cattle dipping tanks" "agricultural sites","Used for","corrals" "agricultural sites","Used for","cotton plantations" "agricultural sites","Used for","croplands" "agricultural sites","Used for","cultivated areas" "agricultural sites","Used for","cultivated croplands" "agricultural sites","Used for","dairies" "agricultural sites","Used for","farms" "agricultural sites","Used for","farmsteads" "agricultural sites","Used for","feedlots" "agricultural sites","Used for","fields" "agricultural sites","Used for","granges" "agricultural sites","Used for","irrigated fields" "agricultural sites","Used for","nurseries" "agricultural sites","Used for","oil palm plantations" "agricultural sites","Used for","orchards" "agricultural sites","Used for","pastures" "agricultural sites","Used for","plantations" "agricultural sites","Used for","ranches" "agricultural sites","Used for","rice fields" "agricultural sites","Used for","rubber plantations" "agricultural sites","Used for","sheepfolds" "agricultural sites","Used for","sisal plantations" "agricultural sites","Used for","stockyards" "agricultural sites","Used for","sugar plantations" "agricultural sites","Used for","tea plantations" "agricultural sites","Used for","vineyards" "agricultural sites","Broader Terms","manmade features" "ahus","Use","mountain summits" "air force bases","Use","military areas" "air routes","Use","transportation features" "airbases","Use","airport features" "airfields","Use","airport features" "airport features","Used for","airbases" "airport features","Used for","airfields" "airport features","Used for","airports" "airport features","Used for","airstrips" "airport features","Used for","landing fields" "airport features","Used for","landing strips" "airport features","Used for","runways" "airport features","Narrower Terms","heliports" "airport features","Narrower Terms","seaplane bases" "airport features","Broader Terms","transportation features" "airports","Use","airport features" "airstrips","Use","airport features" "alluvial fans","Used for","fans (alluvial)" "alluvial fans","Related Terms","deltas" "alluvial fans","Related Terms","floodplains" "alluvial fans","Broader Terms","physiographic features" "amphibious bases","Use","seaplane bases" "amphitheaters","Use","performance sites" "amphitheatres","Use","performance sites" "amusement parks","Broader Terms","recreational facilities" "anabranches","Use","streams" "anchorages","Use","harbors" "ancient sites","Use","archaeological sites" "anclajes","Scope Note","anchorages" "anclajes","Use","harbors" "animal pounds","Use","buildings" "animal shelters","Use","buildings" "antenna field sites","Use","telecommunication features" "anticlines","Used for","domes (physiographic)" "anticlines","Related Terms","mountains" "anticlines","Broader Terms","folds (geologic)" "apartment blocks","Use","residential sites" "apartment houses","Use","residential sites" "aprons (geological)","Use","physiographic features" "aquacultural sites","Use","fisheries" "aquariums","Use","buildings" "aquatic centers","Use","sports facilities" "aqueducts","Related Terms","canals" "aqueducts","Scope Note","A structure designed to transport water from a remote source, usually by gravity. [USGS Circ 1048]" "aqueducts","Broader Terms","transportation features" "aquifers","Scope Note","An underground geological formation, or group of formations, containing water. Are sources of groundwater for wells and springs. [EPA Terms of Environment]" "aquifers","Broader Terms","hydrographic features" "arboretums","Use","parks" "archaeological centers","Use","research facilities" "archaeological sites","Used for","ancient sites" "archaeological sites","Used for","archeological sites" "archaeological sites","Used for","burial caves" "archaeological sites","Used for","cliff dwellings" "archaeological sites","Used for","petroglyphs" "archaeological sites","Used for","pyramids" "archaeological sites","Related Terms","monuments" "archaeological sites","Related Terms","paleontological sites" "archaeological sites","Related Terms","research facilities" "archaeological sites","Scope Note","For ancient structures still largely intact and remains of ancient structures; also includes active excavations. [Lib of Congress, Thesaurus of Graphic Materials I ]" "archaeological sites","Broader Terms","historical sites" "archeological sites","Use","archaeological sites" "arches (natural formation)","Used for","natural bridges" "arches (natural formation)","Used for","sea arches" "arches (natural formation)","Scope Note","A naturally occurring curved structure that supports the weight of material over space. [USGS Circ 1048]" "arches (natural formation)","Broader Terms","natural rock formations" "archipelagos","Broader Terms","islands" "archive buildings","Use","library buildings" "archives","Use","library buildings" "Arctic land","Use","tundras" "arenas","Use","sports facilities" "aretes","Use","ridges" "army facilities","Use","military areas" "arroyos","Used for","coulees" "arroyos","Used for","gullies" "arroyos","Used for","wadi bends" "arroyos","Used for","wadi junctions" "arroyos","Used for","wadi mouths" "arroyos","Used for","wadis" "arroyos","Used for","washes" "arroyos","Related Terms","canyons" "arroyos","Related Terms","valleys" "arroyos","Broader Terms","physiographic features" "arrugados","Use","seafloor features" "arsenals","Use","military areas" "art galleries","Use","museum buildings" "artificial islands","Use","offshore platforms" "artillery ranges","Use","military areas" "asphalt lakes","Use","basins" "astronomical stations","Scope Note","A point on the earth whose position has been determined by observations of celestrial bodies [NIMA]" "astronomical stations","Use","reference locations" "asylums","Use","medical facilities" "athletic complexes","Use","sports facilities" "athletic fields","Use","sports facilities" "atolls","Use","islands" "atomic centers","Use","research facilities" "auditoriums","Use","performance sites" "backwaters","Use","wetlands" "badlands","Related Terms","barren lands" "badlands","Related Terms","canyons" "badlands","Related Terms","deserts" "badlands","Scope Note","An area characterized by a maze of very closely spaced, deep, narrow, steep-sided ravines, and sharp crests and pinnacles. [NIMA]" "badlands","Broader Terms","physiographic features" "bahias","Use","bays" "bailing stations","Use","agricultural sites" "bajadas","Use","deserts" "ball parks","Use","sports facilities" "banana plantations","Use","agricultural sites" "banks (commercial)","Use","commercial sites" "banks (hydrographic)","Used for","stream banks" "banks (hydrographic)","Related Terms","levees" "banks (hydrographic)","Broader Terms","physiographic features" "banks (seafloor)","Use","seafloor features" "barns","Use","agricultural sites" "barns","Use","buildings" "barracks","Use","military areas" "barracks","Use","residential sites" "barrancas","Use","canyons" "barren lands","Related Terms","badlands" "barren lands","Related Terms","deserts" "barren lands","Scope Note","Places composed of bare rock, sand, gravel, or other earthen material with little or no vegetation and having limited ability to support life. [USGS Circ 1048]" "barren lands","Broader Terms","biogeographic regions" "barrier reefs","Use","reefs" "barrios","Use","countries, 3rd order divisions" "bars (physiographic)","Used for","quicksand areas" "bars (physiographic)","Used for","sandbars" "bars (physiographic)","Used for","shoals" "bars (physiographic)","Used for","spits" "bars (physiographic)","Related Terms","bends (river)" "bars (physiographic)","Related Terms","islands" "bars (physiographic)","Related Terms","rapids" "bars (physiographic)","Related Terms","reefs" "bars (physiographic)","Scope Note","A natural accumulation of sand, gravel, or other material forming an underwater or exposed embankment. [USGS Circ 1048]" "bars (physiographic)","Broader Terms","physiographic features" "baseball fields","Use","sports facilities" "bases (military)","Use","military areas" "basins","Used for","asphalt lakes" "basins","Used for","depressions" "basins","Used for","pans (geologic)" "basins","Narrower Terms","storage basins" "basins","Related Terms","bays" "basins","Related Terms","cirques" "basins","Related Terms","craters" "basins","Related Terms","drainage basins" "basins","Related Terms","lakes" "basins","Related Terms","mineral deposit areas" "basins","Related Terms","playas" "basins","Related Terms","synclines" "basins","Related Terms","valleys" "basins","Scope Note","A bowl-shaped depression in the surface of the land or ocean floor. [USGS Circ 1048]" "basins","Broader Terms","physiographic features" "battle grounds","Use","historical sites" "battle sites","Use","historical sites" "battlefields","Use","historical sites" "bayous","Use","wetlands" "bays","Used for","bahias" "bays","Used for","coves" "bays","Used for","embayments" "bays","Narrower Terms","fjords" "bays","Related Terms","basins" "bays","Related Terms","bights" "bays","Related Terms","channels" "bays","Related Terms","estuaries" "bays","Related Terms","gulfs" "bays","Related Terms","wetlands" "bays","Scope Note","A water area that is an inlet of the sea/ocean. [USGS Circ 1048]" "bays","Broader Terms","hydrographic features" "beach ridges","Use","ridges" "beaches","Used for","sandy areas" "beaches","Used for","strands" "beaches","Related Terms","coastal zones" "beaches","Related Terms","dunes" "beaches","Scope Note","The gently sloping shore that is washed by waves, usually composed of sand and pebbles. [USGS Circ 1048]" "beaches","Broader Terms","physiographic features" "beacons","Use","reference locations" "beaver dams","Use","habitats" "beaver ponds","Use","lakes" "bench marks","Use","reference locations" "benches (natural)","Use","ledges" "benches (seafloor)","Use","seafloor features" "bends (river)","Used for","river bends" "bends (river)","Related Terms","bars (physiographic)" "bends (river)","Scope Note","The land within the curve of a stream sometimes including the course of the stream. [USGS Circ 1048]" "bends (river)","Broader Terms","rivers" "berms","Use","levees" "bights","Related Terms","bays" "bights","Related Terms","capes" "bights","Scope Note","A wide gentle curve or indentation of the coast, commonly between two headlands. [A dictionary of the natural environment, by Monkhouse and Small]" "bights","Broader Terms","physiographic features" "biogeographic regions","Used for","biomes" "biogeographic regions","Used for","ecoregions" "biogeographic regions","Used for","vegetation" "biogeographic regions","Narrower Terms","barren lands" "biogeographic regions","Narrower Terms","deserts" "biogeographic regions","Narrower Terms","forests" "biogeographic regions","Narrower Terms","grasslands" "biogeographic regions","Narrower Terms","habitats" "biogeographic regions","Narrower Terms","jungles" "biogeographic regions","Narrower Terms","oases" "biogeographic regions","Narrower Terms","shrublands" "biogeographic regions","Narrower Terms","snow regions" "biogeographic regions","Narrower Terms","tundras" "biogeographic regions","Narrower Terms","wetlands" "biogeographic regions","Related Terms","physiographic features" "biogeographic regions","Broader Terms","regions" "biomes","Use","biogeographic regions" "blast furnaces","Use","industrial sites" "blowholes","Use","physiographic features" "blowouts","Scope Note","A small depression in sandy terrain, caused by wind. [NIMA]" "blowouts","Use","physiographic features" "bluffs","Use","cliffs" "boardwalks","Use","recreational facilities" "boat houses","Use","marinas" "boat landings","Use","hydrographic structures" "boat launches","Use","hydrographic structures" "boat ramps","Use","hydrographic structures" "boat yards","Use","harbors" "boathouses","Use","marinas" "boatyards","Use","harbors" "bodies of water","Use","hydrographic features" "bogs","Use","wetlands" "border posts","Use","buildings" "borderlands (continental margins)","Use","continental margins" "boroughs","Use","countries, 2nd order divisions" "botanical gardens","Use","parks" "bottomlands","Scope Note","Low-lying alluvium-covered floodplain along a river valley. [Monkhouse & Small: Dictionary of the Natural Environment]" "bottomlands","Use","floodplains" "boulder fields","Use","physiographic features" "boundaries","Use","reference locations" "boundary markers","Use","reference locations" "bowls (performance)","Use","performance sites" "breakwaters","Used for","moles (structural)" "breakwaters","Used for","seawalls" "breakwaters","Related Terms","coastal zones" "breakwaters","Related Terms","harbors" "breakwaters","Related Terms","levees" "breakwaters","Scope Note","Structure built to break the force of waves or to restrain or direct current so as to protect a breach, harbor, or other waterfront facility. [USGS Circ 1048]" "breakwaters","Broader Terms","hydrographic structures" "breweries","Use","commercial sites" "bridges","Used for","covered bridges" "bridges","Used for","drawbridges" "bridges","Used for","overpasses" "bridges","Used for","trestles" "bridges","Used for","viaducts" "bridges","Scope Note","A structure erected over a depression or obstacle to carry traffic. [USGS Circ 1048]" "bridges","Broader Terms","transportation features" "brooks","Use","streams" "buffer zones","Use","administrative areas" "buildings","Used for","adminstrative facilities" "buildings","Used for","animal pounds" "buildings","Used for","animal shelters" "buildings","Used for","aquariums" "buildings","Used for","barns" "buildings","Used for","border posts" "buildings","Used for","cabins" "buildings","Used for","castles" "buildings","Used for","city halls" "buildings","Used for","civic centers" "buildings","Used for","club houses" "buildings","Used for","coast guard stations" "buildings","Used for","commissaries" "buildings","Used for","community centers" "buildings","Used for","community houses" "buildings","Used for","conference facilities" "buildings","Used for","consulates" "buildings","Used for","convention centers" "buildings","Used for","customs houses" "buildings","Used for","customs posts" "buildings","Used for","depots" "buildings","Used for","embassy buildings" "buildings","Used for","exhibition buildings" "buildings","Used for","facilities" "buildings","Used for","facility centers" "buildings","Used for","fire stations" "buildings","Used for","firehouses" "buildings","Used for","forest stations" "buildings","Used for","government buildings" "buildings","Used for","guard stations" "buildings","Used for","halls" "buildings","Used for","headquarters" "buildings","Used for","hostels" "buildings","Used for","hotels" "buildings","Used for","houses" "buildings","Used for","inns" "buildings","Used for","inspection stations" "buildings","Used for","legation buildings" "buildings","Used for","lodges" "buildings","Used for","missions" "buildings","Used for","motels" "buildings","Used for","neighborhood centers" "buildings","Used for","offices" "buildings","Used for","park headquarters" "buildings","Used for","patrol posts" "buildings","Used for","pavilions" "buildings","Used for","planetariums" "buildings","Used for","plazas" "buildings","Used for","police posts" "buildings","Used for","public buildings" "buildings","Used for","ranger stations" "buildings","Used for","restaurants" "buildings","Used for","shelters" "buildings","Used for","shops" "buildings","Used for","stations" "buildings","Used for","structures" "buildings","Used for","student unions" "buildings","Used for","studios" "buildings","Used for","substations" "buildings","Used for","taverns" "buildings","Used for","town halls" "buildings","Used for","trading posts" "buildings","Used for","treatment plants" "buildings","Used for","United States Government establishments" "buildings","Used for","visitor centers" "buildings","Used for","walls" "buildings","Used for","warehouses" "buildings","Narrower Terms","capitol buildings" "buildings","Narrower Terms","commercial sites" "buildings","Narrower Terms","court houses" "buildings","Narrower Terms","institutional sites" "buildings","Narrower Terms","library buildings" "buildings","Narrower Terms","museum buildings" "buildings","Narrower Terms","post office buildings" "buildings","Narrower Terms","research facilities" "buildings","Narrower Terms","residential sites" "buildings","Related Terms","military areas" "buildings","Related Terms","storage structures" "buildings","Scope Note","A permanent construction that is roofed and usually walled. [USGS Circ 1048]" "buildings","Broader Terms","manmade features" "buoys","Use","reference locations" "burial caves","Use","archaeological sites" "burns (hydrographic)","Use","streams" "burying grounds","Use","cemeteries" "bushes","Use","shrublands" "business centers","Use","commercial sites" "buttes","Use","mesas" "cabins","Use","buildings" "cableways","Scope Note","A conveyor system in which carrier units run on wire cables strung between supports. [USGS Circ 1048]" "cableways","Broader Terms","transportation features" "cadastral areas","Used for","township and range areas" "cadastral areas","Related Terms","land parcels" "cadastral areas","Broader Terms","regions" "cairns","Use","landmarks" "calderas","Use","craters" "campgrounds","Use","camps" "camping sites","Use","camps" "camps","Used for","campgrounds" "camps","Used for","camping sites" "camps","Used for","logging camps" "camps","Used for","oil camps" "camps","Used for","refugee camps" "camps","Used for","RV parks" "camps","Used for","trailer parks (recreational)" "camps","Related Terms","military areas" "camps","Broader Terms","recreational facilities" "camps (military)","Use","military areas" "campuses","Use","educational facilities" "canal bends","Use","canals" "canal tunnels","Use","tunnels" "canalized streams","Use","canals" "canals","Used for","canal bends" "canals","Used for","canalized streams" "canals","Used for","ditch mouths" "canals","Used for","ditches" "canals","Used for","drainage canals" "canals","Used for","drainage ditches" "canals","Used for","drains (channels)" "canals","Used for","flumes (manmade)" "canals","Used for","irrigation canals" "canals","Used for","irrigation ditches" "canals","Used for","irrigation systems" "canals","Used for","laterals" "canals","Used for","navigation canals" "canals","Used for","underground irrigation canals" "canals","Related Terms","aqueducts" "canals","Related Terms","channels" "canals","Related Terms","locks" "canals","Related Terms","transportation features" "canals","Related Terms","tunnels" "canals","Scope Note","Manmade waterway used by watercraft or for drainage, irrigation, mining, or water power." "canals","Broader Terms","hydrographic structures" "canneries","Use","industrial sites" "cantons","Use","countries, 1st order divisions" "canyons","Used for","barrancas" "canyons","Used for","chasms" "canyons","Used for","flumes (natural)" "canyons","Used for","gorges" "canyons","Used for","gulches" "canyons","Used for","quebradas" "canyons","Used for","ravines" "canyons","Related Terms","arroyos" "canyons","Related Terms","badlands" "canyons","Related Terms","cliffs" "canyons","Related Terms","submarine canyons" "canyons","Scope Note","For valleys between precipitous walls. [ Lib of Congress Thesaurus of Graphic Materials I ]" "canyons","Broader Terms","valleys" "capes","Used for","headlands" "capes","Used for","peninsulas" "capes","Used for","points (physiographic)" "capes","Used for","promontories" "capes","Related Terms","bights" "capes","Scope Note","A projection of land extending into a body of water that prominently marks a change in or interrupts the coastal trend of that water body. [USGS Circ 1048]" "capes","Broader Terms","physiographic features" "capitals","Used for","county seats" "capitals","Used for","national capitals" "capitals","Used for","state capitals" "capitals","Related Terms","capitol buildings" "capitals","Broader Terms","cities" "capitol buildings","Related Terms","capitals" "capitol buildings","Broader Terms","buildings" "caravan routes","Use","roadways" "caravan routes","Use","transportation features" "carillons","Use","towers" "cascades","Use","waterfalls" "casinos","Use","recreational facilities" "castles","Use","buildings" "castles","Use","fortifications" "cataracts","Use","waterfalls" "catchments","Use","drainage basins" "cathedrals","Use","religious facilities" "cattle dipping tanks","Use","agricultural sites" "causeways","Use","roadways" "cave entrances","Use","caves" "caverns","Use","caves" "caves","Used for","cave entrances" "caves","Used for","caverns" "caves","Used for","grottoes" "caves","Used for","natural tunnels" "caves","Used for","underground lakes" "caves","Scope Note","A naturally formed, subterranean open area or chamber. [USGS Circ 1048]" "caves","Broader Terms","physiographic features" "cays","Use","islands" "cement plants","Use","industrial sites" "cemeteries","Used for","burying grounds" "cemeteries","Used for","grave sites" "cemeteries","Used for","graves" "cemeteries","Used for","graveyards" "cemeteries","Used for","mausoleums" "cemeteries","Used for","memorial gardens" "cemeteries","Used for","sepulchers" "cemeteries","Used for","tombs" "cemeteries","Related Terms","historical sites" "cemeteries","Related Terms","monuments" "cemeteries","Scope Note","An area of land for burying the dead with two or more graves. [USGS Circ 1048]" "cemeteries","Broader Terms","manmade features" "census areas","Broader Terms","statistical areas" "cerros","Use","mountains" "channels","Used for","chutes (hydrographic)" "channels","Used for","cutoffs (hydrographic)" "channels","Used for","inlets" "channels","Used for","lake channels" "channels","Used for","marine channels" "channels","Used for","narrows (hydrographic)" "channels","Used for","navigation channels" "channels","Used for","reaches (hydrographic)" "channels","Used for","sounds (bodies of water)" "channels","Used for","straits" "channels","Related Terms","bays" "channels","Related Terms","canals" "channels","Related Terms","guts" "channels","Related Terms","rivers" "channels","Scope Note","Linear deep part of a body of water through which the main volume of water flows and is frequently used as a route for watercraft." "channels","Broader Terms","hydrographic features" "chapels","Use","religious facilities" "chapparal areas","Use","shrublands" "chart regions","Broader Terms","map regions" "chasms","Use","canyons" "childrens homes","Use","residential sites" "chotts","Use","playas" "chrome mines","Use","mine sites" "churches","Use","religious facilities" "chutes (hydrographic)","Use","channels" "cienagas","Use","wetlands" "cirques","Used for","cwms" "cirques","Related Terms","basins" "cirques","Scope Note","A horseshoe-shaped, steep-walled valley head caused by glacial erosion. [Kearey, Dict of Geology]" "cirques","Broader Terms","physiographic features" "cisterns","Use","storage structures" "cities","Used for","municipalities" "cities","Used for","towns" "cities","Used for","urban areas" "cities","Narrower Terms","capitals" "cities","Related Terms","Metropolitan Statistical Areas" "cities","Scope Note","An incorporated populated place such as a village, city, town, borough, or hamlet, and includes an independent city. [USGS Circ 1048]" "cities","Broader Terms","populated places" "city halls","Use","buildings" "civic centers","Use","buildings" "civil areas","Use","administrative areas" "claims (land)","Use","land parcels" "clearings","Use","grasslands" "clefts","Use","cliffs" "cliff dwellings","Use","archaeological sites" "cliffs","Used for","bluffs" "cliffs","Used for","clefts" "cliffs","Used for","escarpments" "cliffs","Used for","precipices" "cliffs","Used for","scraps" "cliffs","Related Terms","canyons" "cliffs","Related Terms","ledges" "cliffs","Related Terms","ridges" "cliffs","Scope Note","A high vertical, near-vertical, or overhanging face of rock, earth, or ice. [USGS Circ. 1048]" "cliffs","Broader Terms","physiographic features" "climatic regions","Broader Terms","regions" "clinics","Use","medical facilities" "club houses","Use","buildings" "clubs (recreational)","Use","recreational facilities" "coal fields","Use","mineral deposit areas" "coal mines","Use","mine sites" "coalfields","Use","mineral deposit areas" "coast guard stations","Use","buildings" "coastal plains","Use","coastal zones" "coastal zones","Used for","coastal plains" "coastal zones","Used for","coasts" "coastal zones","Used for","intertidal zones" "coastal zones","Used for","offshore areas" "coastal zones","Used for","shorelines" "coastal zones","Used for","shores" "coastal zones","Related Terms","beaches" "coastal zones","Related Terms","breakwaters" "coastal zones","Related Terms","continental margins" "coastal zones","Broader Terms","regions" "coasts","Use","coastal zones" "coconut groves","Use","woods" "coliseums","Use","performance sites" "colleges","Use","educational facilities" "collieries","Scope Note","A coal mine and its connected buildings. [WWWebster Dictionary]" "collieries","Use","mine sites" "cols","Use","gaps" "commemorative areas","Use","parks" "commercial sites","Used for","banks (commercial)" "commercial sites","Used for","breweries" "commercial sites","Used for","business centers" "commercial sites","Used for","companies" "commercial sites","Used for","malls" "commercial sites","Used for","marketplaces" "commercial sites","Used for","markets" "commercial sites","Used for","shopping centers" "commercial sites","Used for","shopping malls" "commercial sites","Used for","stores" "commercial sites","Used for","wineries" "commercial sites","Narrower Terms","industrial sites" "commercial sites","Broader Terms","buildings" "commissaries","Use","buildings" "commons","Use","parks" "commonwealths","Scope Note","A nation, state, or other political unit: as a : one founded on law and united by compact or tacit agreement of the people for the common good. A state of the U.S. -- used officially of Kentucky, Massachusetts, Pennsylvania, and Virginia. An association of self-governing autonomous states more or less loosely associated in a common allegiance (as to the British crown). A political unit having local autonomy but voluntarily united with the U.S. -- used officially of Puerto Rico and of the Northern Mariana Islands. [WWWebster Dictionary}" "commonwealths","Use","political areas" "communes","Use","populated places" "communication centers","Use","telecommunication features" "communities","Use","populated places" "community centers","Use","buildings" "community houses","Use","buildings" "companies","Use","commercial sites" "compressor stations","Use","pipelines" "concert halls","Use","performance sites" "concession areas","Use","administrative areas" "condominiums","Use","residential sites" "cones (geological)","Use","physiographic features" "conference facilities","Use","buildings" "confluences","Use","streams" "conservation areas","Use","reserves" "consulates","Use","buildings" "continental divides","Broader Terms","mountains" "continental margins","Used for","borderlands (continental margins)" "continental margins","Used for","continental rises" "continental margins","Used for","continental shelves" "continental margins","Used for","continental slopes" "continental margins","Used for","platforms (continental margins)" "continental margins","Used for","shelf edges (ocean)" "continental margins","Used for","shelves, continental" "continental margins","Related Terms","coastal zones" "continental margins","Broader Terms","seafloor features" "continental rises","Use","continental margins" "continental shelves","Use","continental margins" "continental slopes","Use","continental margins" "continents","Broader Terms","land regions" "control points","Use","reference locations" "convalescent centers","Use","medical facilities" "convention centers","Use","buildings" "convents","Use","religious facilities" "cooper works","Use","industrial sites" "copper mines","Use","mine sites" "coral reefs","Broader Terms","reefs" "cordilleras","Use","mountains" "corrals","Use","agricultural sites" "correctional facilities","Used for","detention camps" "correctional facilities","Used for","detention centers" "correctional facilities","Used for","detention homes" "correctional facilities","Used for","honor camps" "correctional facilities","Used for","honor farms" "correctional facilities","Used for","jails" "correctional facilities","Used for","juvenile facilities" "correctional facilities","Used for","labor camps" "correctional facilities","Used for","penal camps" "correctional facilities","Used for","penal farms" "correctional facilities","Used for","penitentiaries" "correctional facilities","Used for","prisons" "correctional facilities","Used for","reformatories" "correctional facilities","Broader Terms","institutional sites" "corridors","Use","transportation features" "cotton gins","Use","industrial sites" "cotton plantations","Use","agricultural sites" "coulees","Use","arroyos" "counties","Use","countries, 2nd order divisions" "countries","Used for","nations" "countries","Used for","republics" "countries","Broader Terms","political areas" "countries, 1st order divisions","Used for","cantons" "countries, 1st order divisions","Used for","first-order administrative divisions" "countries, 1st order divisions","Used for","provinces" "countries, 1st order divisions","Used for","states" "countries, 1st order divisions","Used for","territories" "countries, 1st order divisions","Scope Note","First-order division of a nation. [USGS Circ 1048]" "countries, 1st order divisions","Broader Terms","political areas" "countries, 2nd order divisions","Used for","boroughs" "countries, 2nd order divisions","Used for","counties" "countries, 2nd order divisions","Used for","judicial divisions" "countries, 2nd order divisions","Used for","municipios" "countries, 2nd order divisions","Used for","parishes" "countries, 2nd order divisions","Used for","second-order administrative divisions" "countries, 2nd order divisions","Scope Note","Second-order division of a nation such as parish, borough, county, municipio, or judicial division, and independent cities in Maryland, Missouri, Nevada, and Virginia. [USGS Circ 1048]" "countries, 2nd order divisions","Broader Terms","political areas" "countries, 3rd order divisions","Used for","barrios" "countries, 3rd order divisions","Used for","precincts" "countries, 3rd order divisions","Used for","third-order administrative divisions" "countries, 3rd order divisions","Used for","townships" "countries, 3rd order divisions","Broader Terms","political areas" "countries, 4th order divisions","Used for","fourth-order administrative divisions" "countries, 4th order divisions","Broader Terms","political areas" "country clubs","Use","recreational facilities" "country houses","Use","housing areas" "county seats","Use","capitals" "court houses","Used for","courthouses" "court houses","Used for","municipal courts" "court houses","Broader Terms","buildings" "courthouses","Use","court houses" "covered bridges","Use","bridges" "covered reservoirs","Use","reservoirs" "coves","Use","bays" "crags","Use","natural rock formations" "crater lakes","Use","lakes" "crater lakes","Use","volcanic features" "craters","Used for","calderas" "craters","Related Terms","basins" "craters","Related Terms","volcanoes" "craters","Broader Terms","physiographic features" "creeks","Use","streams" "crevasses","Use","physiographic features" "croplands","Use","agricultural sites" "crossings","Use","transportation features" "cuestas","Use","ridges" "cultivated areas","Use","agricultural sites" "cultivated croplands","Use","agricultural sites" "currents","Use","ocean currents" "customs houses","Use","buildings" "customs posts","Use","buildings" "cutoffs (hydrographic)","Use","channels" "cwms","Scope Note","Welsh name for a cirque." "cwms","Use","cirques" "dairies","Use","agricultural sites" "dam sites","Used for","dams" "dam sites","Used for","spillways" "dam sites","Used for","sub-surface dams" "dam sites","Used for","weirs" "dam sites","Related Terms","levees" "dam sites","Scope Note","An area including a dam and associated structures functioning to control the flow or raise the level of water. [USGS Circ 1048]" "dam sites","Broader Terms","hydrographic structures" "dams","Use","dam sites" "data collection facilities","Used for","meteorological stations" "data collection facilities","Used for","satellite stations" "data collection facilities","Related Terms","launch facilities" "data collection facilities","Related Terms","reference locations" "data collection facilities","Related Terms","research areas" "data collection facilities","Broader Terms","research facilities" "deep-sea trenches","Use","ocean trenches" "deeps (ocean)","Use","ocean trenches" "defiles","Use","gaps" "deltas","Related Terms","alluvial fans" "deltas","Related Terms","estuaries" "deltas","Broader Terms","hydrographic features" "demilitarized zones","Use","administrative areas" "demonstration areas","Use","reserves" "dependent political entities","Use","political areas" "depots","Use","buildings" "depots","Use","transportation features" "depressions","Use","basins" "deserts","Used for","bajadas" "deserts","Used for","rock deserts" "deserts","Used for","sandy areas" "deserts","Used for","sandy deserts" "deserts","Used for","stony deserts" "deserts","Related Terms","badlands" "deserts","Related Terms","barren lands" "deserts","Related Terms","dunes" "deserts","Related Terms","oases" "deserts","Scope Note","A region rendered barren or partially barren by environmental extremes, expecially by low rainfall. [USGS Circ 1048]" "deserts","Broader Terms","biogeographic regions" "detention camps","Use","correctional facilities" "detention centers","Use","correctional facilities" "detention homes","Use","correctional facilities" "diatomite mines","Use","mine sites" "dikes (manmade)","Use","levees" "dispensaries (medical)","Use","medical facilities" "disposal sites","Used for","dumps" "disposal sites","Used for","incinerators" "disposal sites","Used for","landfills" "disposal sites","Used for","mine dumps" "disposal sites","Used for","refuse disposal sites" "disposal sites","Used for","sanitary landfills" "disposal sites","Used for","scrap yards" "disposal sites","Used for","slag heaps" "disposal sites","Used for","tailing ponds" "disposal sites","Used for","tailings" "disposal sites","Used for","waste disposal sites" "disposal sites","Used for","wrecking yards" "disposal sites","Related Terms","mine sites" "disposal sites","Related Terms","waterworks" "disposal sites","Scope Note","An area where refuse is dumped. [USGS Circ 1048]" "disposal sites","Broader Terms","manmade features" "distilleries","Use","industrial sites" "distributaries","Use","streams" "districts","Use","administrative areas" "ditch mouths","Use","canals" "ditches","Use","canals" "dock yards","Use","harbors" "docking basins","Use","harbors" "docks","Use","piers" "dockyards","Use","harbors" "domes (physiographic)","Use","anticlines" "dormitories","Use","residential sites" "dragways","Use","sports facilities" "drainage basins","Used for","catchments" "drainage basins","Used for","headwaters" "drainage basins","Used for","watersheds" "drainage basins","Related Terms","basins" "drainage basins","Related Terms","floodplains" "drainage basins","Related Terms","streams" "drainage basins","Scope Note","The area of land that drains water, sediment, and dissolved materials to a common outlet at some point along a stream channel. [EPA Terms of Environment]" "drainage basins","Broader Terms","hydrographic features" "drainage canals","Use","canals" "drainage ditches","Use","canals" "drains (channels)","Scope Note","An artificial channel for carrying off excess water [A Dictionary of the natural environment]" "drains (channels)","Use","canals" "drawbridges","Use","bridges" "drives","Use","roadways" "drumlins","Related Terms","glacier features" "drumlins","Scope Note","An elongated hill or ridge of glacial drift. [Amer. Heritage Dictionary]" "drumlins","Broader Terms","ridges" "dry docks","Use","harbors" "dry lakes","Use","lakes" "dry stream beds","Use","historical sites" "dry stream beds","Use","streams" "dumps","Use","disposal sites" "dunes","Used for","interdune troughs" "dunes","Used for","sandy areas" "dunes","Related Terms","beaches" "dunes","Related Terms","deserts" "dunes","Scope Note","Hills of sand piled up by the wind. [USGS Circ 1048]" "dunes","Broader Terms","physiographic features" "dwellings","Use","housing areas" "dykes (geologic)","Use","volcanic features" "earthquake features","Related Terms","faults" "earthquake features","Related Terms","folds (geologic)" "earthquake features","Broader Terms","tectonic features" "ecological research sites","Used for","LTERs" "ecological research sites","Broader Terms","research areas" "economic regions","Broader Terms","regions" "ecoregions","Use","biogeographic regions" "eddies","Use","hydrographic features" "educational facilities","Used for","academies" "educational facilities","Used for","agricultural schools" "educational facilities","Used for","campuses" "educational facilities","Used for","colleges" "educational facilities","Used for","military schools" "educational facilities","Used for","schools" "educational facilities","Used for","seminaries" "educational facilities","Used for","training centers" "educational facilities","Used for","universities" "educational facilities","Related Terms","library buildings" "educational facilities","Related Terms","research facilities" "educational facilities","Broader Terms","institutional sites" "electric plants","Use","power generation sites" "elevators (agricultural)","Use","storage structures" "embankments","Use","levees" "embassy buildings","Use","buildings" "embayments","Use","bays" "environmental areas","Use","reserves" "equestrian centers","Use","sports facilities" "escarpments","Use","cliffs" "eskers","Use","ridges" "estates","Use","land parcels" "estuaries","Related Terms","bays" "estuaries","Related Terms","deltas" "estuaries","Related Terms","fjords" "estuaries","Related Terms","lakes" "estuaries","Related Terms","wetlands" "estuaries","Scope Note","Region of interaction between rivers and near-shore ocean waters, where tidal action and river flow mix fresh and salt water. Such areas include bays, mouths of rivers, salt marshes, and lagoons. These brackish water ecosystems shelter and feed marine life, birds, and wildlife. [EPA Terms of Environment]" "estuaries","Broader Terms","hydrographic features" "exhibition buildings","Use","buildings" "experiment stations","Use","research facilities" "experimental areas","Use","research areas" "experimental fields","Use","research areas" "facilities","Use","buildings" "facility centers","Use","buildings" "factories","Use","industrial sites" "fairgrounds","Use","recreational facilities" "falls","Use","waterfalls" "fans (alluvial)","Use","alluvial fans" "farms","Use","agricultural sites" "farmsteads","Use","agricultural sites" "fault zones","Used for","grabens" "fault zones","Broader Terms","faults" "faults","Narrower Terms","fault zones" "faults","Narrower Terms","fracture zones" "faults","Narrower Terms","rift zones" "faults","Related Terms","earthquake features" "faults","Scope Note","A fracture in the Earth's crust accompanied by a displacement of one side of the fracture with respect to the other. [UGSG Circ 1048]" "faults","Broader Terms","tectonic features" "feedlots","Use","agricultural sites" "fens","Use","wetlands" "ferries","Use","transportation features" "field campaigns","Use","research areas" "fields","Use","agricultural sites" "fields","Use","sports facilities" "filter plants","Use","waterworks" "filtration plants","Use","waterworks" "fiords","Use","fjords" "fire lookouts","Use","towers" "fire stations","Use","buildings" "firebreaks","Used for","fuelbreaks" "firebreaks","Scope Note","An area cleared of vegetation for the purpose of impeding the progress of a grass or forest fire. [USGS Circ 1048]" "firebreaks","Broader Terms","regions" "firehouses","Use","buildings" "first-order administrative divisions","Use","countries, 1st order divisions" "fish farms","Use","fisheries" "fish hatcheries","Use","fisheries" "fish ponds","Use","lakes" "fisheries","Used for","aquacultural sites" "fisheries","Used for","fish farms" "fisheries","Used for","fish hatcheries" "fisheries","Used for","hatcheries" "fisheries","Used for","trout farms" "fisheries","Broader Terms","manmade features" "fishing areas","Use","recreational facilities" "fishing lodges","Use","recreational facilities" "fishponds","Use","lakes" "fissures","Use","physiographic features" "fitness centers","Use","recreational facilities" "fjords","Used for","fiords" "fjords","Used for","lochs" "fjords","Related Terms","estuaries" "fjords","Related Terms","guts" "fjords","Scope Note","Narrow deep inlets of the sea between cliffs or steep slopes. [Lib of Congress, Thesaurus of Graphic Materials I ]" "fjords","Broader Terms","bays" "flats","Used for","sabkhas" "flats","Related Terms","mesas" "flats","Related Terms","plains" "flats","Related Terms","plateaus" "flats","Related Terms","playas" "flats","Scope Note","A level tract of land. [USGS Circ 1048]" "flats","Broader Terms","physiographic features" "flood control basins","Use","storage basins" "floodplains","Used for","bottomlands" "floodplains","Related Terms","alluvial fans" "floodplains","Related Terms","drainage basins" "floodplains","Scope Note","The flat or nearly flat land along a river or stream or in a tidal area that is covered by water during a flood. [EPA Terms of Environment]" "floodplains","Broader Terms","hydrographic features" "floodways","Use","storage basins" "flumes (manmade)","Use","canals" "flumes (natural)","Use","canyons" "fluvial features","Use","hydrographic features" "folds (geologic)","Narrower Terms","anticlines" "folds (geologic)","Narrower Terms","synclines" "folds (geologic)","Related Terms","earthquake features" "folds (geologic)","Broader Terms","tectonic features" "football fields","Use","sports facilities" "foothills","Use","mountains" "fords (crossings)","Use","transportation features" "forest reserves","Use","forests" "forest reserves","Use","reserves" "forest stations","Use","buildings" "forested wetlands","Use","wetlands" "forests","Used for","forest reserves" "forests","Used for","national forests" "forests","Narrower Terms","petrified forests" "forests","Narrower Terms","rain forests" "forests","Narrower Terms","woods" "forests","Broader Terms","biogeographic regions" "forges","Use","industrial sites" "forks (physiographic features)","Use","streams" "forks (physiographic features)","Use","valleys" "fortifications","Used for","castles" "fortifications","Used for","forts" "fortifications","Used for","moats (manmade)" "fortifications","Used for","redoubts" "fortifications","Used for","stockades" "fortifications","Related Terms","military areas" "fortifications","Scope Note","General term for any works made to oppose a small number of troops against a greater. [AAT]" "fortifications","Broader Terms","manmade features" "forts","Use","fortifications" "forts","Use","military areas" "fossilized forests","Use","petrified forests" "foundaries","Use","industrial sites" "fourth-order administrative divisions","Use","countries, 4th order divisions" "fracture zones","Related Terms","seafloor features" "fracture zones","Broader Terms","faults" "free trade zones","Use","administrative areas" "freely associated states","Use","political areas" "fringing reefs","Use","reefs" "fuel depots","Use","transportation features" "fuelbreaks","Use","firebreaks" "fumaroles","Use","thermal features" "furnaces (industrial)","Use","industrial sites" "furrows","Use","physiographic features" "gaging stations","Scope Note","A site on a stream, lake, reservoir or other body of water where direct systematic observations of hydrologic data are obtained. [Water Resources Center, College of Agriculture, Univ. of Arizona, Glossary of Water Terms]" "gaging stations","Broader Terms","hydrographic structures" "galleries","Use","museum buildings" "game management areas","Use","reserves" "gaps","Used for","cols" "gaps","Used for","defiles" "gaps","Used for","passes" "gaps","Used for","saddles (physiographic)" "gaps","Used for","sills (physiographic)" "gaps","Related Terms","valleys" "gaps","Scope Note","A low point or opening between mounts or in a ridge. [USGS Circ 1048]" "gaps","Broader Terms","physiographic features" "garages","Use","parking sites" "gardens","Use","parks" "gas fields","Use","oil fields" "gas pipelines","Use","pipelines" "gas-oil separation plants","Use","industrial sites" "gasfields","Use","oil fields" "gates (manmade)","Use","transportation features" "generating centers","Use","power generation sites" "generation sites","Use","power generation sites" "geodectic stations","Use","reference locations" "geographic centers","Use","reference locations" "geological features","Use","physiographic features" "geysers","Scope Note","Eruptive spring from which hot water and/or steam and in some cases mud are periodically thrown." "geysers","Use","thermal features" "glacier features","Used for","glaciers" "glacier features","Used for","nunataks" "glacier features","Related Terms","drumlins" "glacier features","Related Terms","moraines" "glacier features","Scope Note","Body or stream of ice moving outward and downslope from an area of accumulation; an area of relatively permanent snow or ice on the top or side of a mountain or mountainous area." "glacier features","Broader Terms","ice masses" "glaciers","Use","glacier features" "glades","Use","grasslands" "glens","Use","valleys" "gold mines","Use","mine sites" "golf clubs","Use","sports facilities" "golf courses","Use","sports facilities" "gorges","Use","canyons" "government buildings","Use","buildings" "grabens","Use","fault zones" "grades (physiographic)","Use","physiographic features" "granges","Use","agricultural sites" "grasslands","Used for","clearings" "grasslands","Used for","glades" "grasslands","Used for","grazing areas" "grasslands","Used for","meadows" "grasslands","Used for","pampas" "grasslands","Used for","prairies" "grasslands","Used for","savannahs" "grasslands","Used for","savannas" "grasslands","Scope Note","An extensive noncultivated area where vegetation is dominated by grasses or grass-like plants. [USGS Circ 1048]" "grasslands","Broader Terms","biogeographic regions" "grave sites","Use","cemeteries" "gravel pits","Use","mine sites" "graves","Use","cemeteries" "graveyards","Use","cemeteries" "grazing areas","Use","grasslands" "grist mills","Use","industrial sites" "grottoes","Use","caves" "groves","Use","woods" "guard stations","Use","buildings" "guest houses","Use","housing areas" "gulches","Use","canyons" "gulfs","Related Terms","bays" "gulfs","Broader Terms","hydrographic features" "gullies","Use","arroyos" "gun clubs","Use","recreational facilities" "guts","Related Terms","channels" "guts","Related Terms","fjords" "guts","Related Terms","rivers" "guts","Related Terms","streams" "guts","Related Terms","wetlands" "guts","Scope Note","A narrow natural passage or contracted strait connecting two bodies of water where no flow can be determined. [USGS Circ 1048]. A narrow channel opening into the sea or a large estuary, esp. in E. USA. [Monkhouse & Small: Dictionary of the Natural Environment]" "guts","Broader Terms","hydrographic features" "guyots","Use","seamounts" "gymnasiums","Use","sports facilities" "habitats","Used for","beaver dams" "habitats","Used for","rookeries" "habitats","Related Terms","reserves" "habitats","Broader Terms","biogeographic regions" "halls","Use","buildings" "halting places (transportation)","Use","transportation features" "hamlets","Use","populated places" "hammocks","Use","physiographic features" "hanging valleys","Use","valleys" "harbors","Used for","anchorages" "harbors","Used for","anclajes" "harbors","Used for","boat yards" "harbors","Used for","boatyards" "harbors","Used for","dock yards" "harbors","Used for","docking basins" "harbors","Used for","dockyards" "harbors","Used for","dry docks" "harbors","Used for","harbours" "harbors","Used for","marine terminals" "harbors","Used for","moorings" "harbors","Used for","ports" "harbors","Used for","roadsteads (anchorages)" "harbors","Used for","turning basins" "harbors","Narrower Terms","marinas" "harbors","Related Terms","breakwaters" "harbors","Related Terms","piers" "harbors","Related Terms","transportation features" "harbors","Scope Note","A sheltered area of water where ships or other watercraft can anchor or dock." "harbors","Broader Terms","hydrographic structures" "harbours","Use","harbors" "hatcheries","Use","fisheries" "headlands","Use","capes" "headquarters","Use","buildings" "headwaters","Use","drainage basins" "health facilities","Use","medical facilities" "heaths","Use","shrublands" "helibases","Use","heliports" "helipads","Use","heliports" "heliports","Used for","helibases" "heliports","Used for","helipads" "heliports","Used for","helistops" "heliports","Broader Terms","airport features" "helistops","Use","heliports" "hermitages","Use","housing areas" "highway maintenance sites","Use","transportation features" "highways","Use","roadways" "hills","Use","mountains" "historic sites","Use","historical sites" "historical landmarks","Use","historical sites" "historical markers","Use","historical sites" "historical parks","Use","historical sites" "historical sites","Used for","battle grounds" "historical sites","Used for","battle sites" "historical sites","Used for","battlefields" "historical sites","Used for","dry stream beds" "historical sites","Used for","historic sites" "historical sites","Used for","historical landmarks" "historical sites","Used for","historical markers" "historical sites","Used for","historical parks" "historical sites","Used for","lake beds" "historical sites","Used for","massacre sites" "historical sites","Used for","ruins" "historical sites","Used for","wreck sites" "historical sites","Used for","wrecks" "historical sites","Narrower Terms","archaeological sites" "historical sites","Related Terms","cemeteries" "historical sites","Related Terms","landmarks" "historical sites","Related Terms","monuments" "historical sites","Related Terms","parks" "historical sites","Broader Terms","manmade features" "hogbacks","Use","ridges" "holes (seafloor)","Use","seafloor features" "hollows","Use","valleys" "homes","Use","residential sites" "homesteads","Use","populated places" "honor camps","Use","correctional facilities" "honor farms","Use","correctional facilities" "hospitals","Use","medical facilities" "hostels","Use","buildings" "hot springs","Use","thermal features" "hotels","Use","buildings" "houses","Use","buildings" "houses","Use","housing areas" "housing areas","Used for","country houses" "housing areas","Used for","dwellings" "housing areas","Used for","guest houses" "housing areas","Used for","hermitages" "housing areas","Used for","houses" "housing areas","Used for","housing developments" "housing areas","Used for","huts" "housing areas","Used for","neighborhoods (residential)" "housing areas","Used for","subdivisions" "housing areas","Broader Terms","residential sites" "housing developments","Use","housing areas" "hunt posts","Use","recreational facilities" "hunting lodges","Use","recreational facilities" "hunting reserves","Use","reserves" "huts","Use","housing areas" "hydroelectric power stations","Use","power generation sites" "hydrographic features","Used for","bodies of water" "hydrographic features","Used for","eddies" "hydrographic features","Used for","fluvial features" "hydrographic features","Used for","marine features" "hydrographic features","Used for","overfalls" "hydrographic features","Used for","upwellings" "hydrographic features","Used for","water bodies" "hydrographic features","Used for","waterholes" "hydrographic features","Used for","whirlpools" "hydrographic features","Narrower Terms","aquifers" "hydrographic features","Narrower Terms","bays" "hydrographic features","Narrower Terms","channels" "hydrographic features","Narrower Terms","deltas" "hydrographic features","Narrower Terms","drainage basins" "hydrographic features","Narrower Terms","estuaries" "hydrographic features","Narrower Terms","floodplains" "hydrographic features","Narrower Terms","gulfs" "hydrographic features","Narrower Terms","guts" "hydrographic features","Narrower Terms","ice masses" "hydrographic features","Narrower Terms","lakes" "hydrographic features","Narrower Terms","seas" "hydrographic features","Narrower Terms","streams" "hydrographic features","Narrower Terms","thermal features" "hydrographic features","Related Terms","hydrographic structures" "hydrographic features","Related Terms","oases" "hydrographic structures","Used for","boat landings" "hydrographic structures","Used for","boat launches" "hydrographic structures","Used for","boat ramps" "hydrographic structures","Used for","sluices" "hydrographic structures","Used for","water mills" "hydrographic structures","Narrower Terms","breakwaters" "hydrographic structures","Narrower Terms","canals" "hydrographic structures","Narrower Terms","dam sites" "hydrographic structures","Narrower Terms","gaging stations" "hydrographic structures","Narrower Terms","harbors" "hydrographic structures","Narrower Terms","levees" "hydrographic structures","Narrower Terms","offshore platforms" "hydrographic structures","Narrower Terms","piers" "hydrographic structures","Narrower Terms","reservoirs" "hydrographic structures","Narrower Terms","waterworks" "hydrographic structures","Related Terms","hydrographic features" "hydrographic structures","Related Terms","seaplane bases" "hydrographic structures","Related Terms","transportation features" "hydrographic structures","Related Terms","wells" "hydrographic structures","Broader Terms","manmade features" "hydrothermal vents","Broader Terms","seafloor features" "ice fields","Use","ice masses" "ice masses","Used for","ice fields" "ice masses","Used for","ice patches" "ice masses","Used for","ice sheets" "ice masses","Used for","icebergs" "ice masses","Used for","icecap depressions" "ice masses","Used for","icecap domes" "ice masses","Used for","icecaps" "ice masses","Used for","icefalls" "ice masses","Narrower Terms","glacier features" "ice masses","Related Terms","snow regions" "ice masses","Broader Terms","hydrographic features" "ice patches","Use","ice masses" "ice sheets","Use","ice masses" "ice skating rinks","Use","recreational facilities" "icebergs","Use","ice masses" "icecap depressions","Use","ice masses" "icecap domes","Use","ice masses" "icecap ridges","Use","ridges" "icecaps","Use","ice masses" "icefalls","Use","ice masses" "incinerators","Use","disposal sites" "inclines","Use","physiographic features" "independent political entities","Use","political areas" "indian reservations","Use","tribal areas" "indian reserves","Use","tribal areas" "industrial areas","Use","industrial sites" "industrial parks","Use","industrial sites" "industrial sites","Used for","blast furnaces" "industrial sites","Used for","canneries" "industrial sites","Used for","cement plants" "industrial sites","Used for","cooper works" "industrial sites","Used for","cotton gins" "industrial sites","Used for","distilleries" "industrial sites","Used for","factories" "industrial sites","Used for","forges" "industrial sites","Used for","foundaries" "industrial sites","Used for","furnaces (industrial)" "industrial sites","Used for","gas-oil separation plants" "industrial sites","Used for","grist mills" "industrial sites","Used for","industrial areas" "industrial sites","Used for","industrial parks" "industrial sites","Used for","limekilns" "industrial sites","Used for","mill sites" "industrial sites","Used for","mills" "industrial sites","Used for","millsites" "industrial sites","Used for","munitions plants" "industrial sites","Used for","oil refineries" "industrial sites","Used for","olive oil mills" "industrial sites","Used for","ore treatment plants" "industrial sites","Used for","phosphate works" "industrial sites","Used for","plants (industrial)" "industrial sites","Used for","processing plants" "industrial sites","Used for","refineries" "industrial sites","Used for","sawmills" "industrial sites","Used for","smelters" "industrial sites","Used for","sugar mills" "industrial sites","Used for","sugar refineries" "industrial sites","Used for","tank farms" "industrial sites","Used for","whaling stations" "industrial sites","Narrower Terms","power generation sites" "industrial sites","Scope Note","A group of associated strutures functioning as a unit used for refining a material or manufacturing a product. [USGS Circ 1048]" "industrial sites","Broader Terms","commercial sites" "infantry camps","Use","military areas" "infirmaries","Use","medical facilities" "inland seas","Use","lakes" "inlets","Use","channels" "inns","Use","buildings" "inspection stations","Use","buildings" "institutes","Use","institutional sites" "institutional sites","Used for","institutes" "institutional sites","Used for","institutions" "institutional sites","Narrower Terms","correctional facilities" "institutional sites","Narrower Terms","educational facilities" "institutional sites","Narrower Terms","medical facilities" "institutional sites","Narrower Terms","religious facilities" "institutional sites","Related Terms","research facilities" "institutional sites","Scope Note","A group of buildings or associated structures functioning as a unit used predominantly for educational. correctional, governmental, medical, or religious purposes. [USGS Circ 1048]" "institutional sites","Broader Terms","buildings" "institutions","Use","institutional sites" "interdune troughs","Use","dunes" "interfluves","Use","plains" "intermittent lakes","Use","lakes" "intermittent oxbow lakes","Use","lakes" "intermittent ponds","Use","lakes" "intermittent pools","Use","lakes" "intermittent reservoirs","Use","reservoirs" "intermittent salt lakes","Use","lakes" "intermittent salt ponds","Use","lakes" "intermittent streams","Use","streams" "intermittent wetlands","Use","wetlands" "intersections","Use","roadways" "intertidal zones","Use","coastal zones" "iron mines","Use","mine sites" "irrigated fields","Use","agricultural sites" "irrigation canals","Use","canals" "irrigation ditches","Use","canals" "irrigation systems","Use","canals" "island arcs","Use","islands" "islands","Used for","atolls" "islands","Used for","cays" "islands","Used for","island arcs" "islands","Used for","isles" "islands","Used for","islets" "islands","Used for","keys (islands)" "islands","Used for","land-tied islands" "islands","Used for","mangrove islands" "islands","Narrower Terms","archipelagos" "islands","Related Terms","bars (physiographic)" "islands","Broader Terms","land regions" "isles","Use","islands" "islets","Use","islands" "isthmuses","Scope Note","A narrow strip of land, bordered on both sides by water that connects two larger land areas. [USGS Circ 1048]" "isthmuses","Broader Terms","physiographic features" "jails","Use","correctional facilities" "jetties","Use","piers" "judicial divisions","Use","countries, 2nd order divisions" "jungles","Related Terms","rain forests" "jungles","Scope Note","Denotes generally impenetrable tropical forests with dense tangled undergrowth of grasses, vines, shrubs, and trees. [AAT]" "jungles","Broader Terms","biogeographic regions" "juvenile facilities","Use","correctional facilities" "karst areas","Broader Terms","physiographic features" "kavirs","Use","playas" "keys (islands)","Use","islands" "knolls","Use","mountains" "labor camps","Use","correctional facilities" "laboratories","Use","research facilities" "lagoons","Use","lakes" "laguna","Use","lakes" "lake beds","Use","historical sites" "lake beds","Use","lakes" "lake channels","Use","channels" "lake districts","Use","land regions" "lake regions","Use","land regions" "lakes","Used for","beaver ponds" "lakes","Used for","crater lakes" "lakes","Used for","dry lakes" "lakes","Used for","fish ponds" "lakes","Used for","fishponds" "lakes","Used for","inland seas" "lakes","Used for","intermittent lakes" "lakes","Used for","intermittent oxbow lakes" "lakes","Used for","intermittent ponds" "lakes","Used for","intermittent pools" "lakes","Used for","intermittent salt lakes" "lakes","Used for","intermittent salt ponds" "lakes","Used for","lagoons" "lakes","Used for","laguna" "lakes","Used for","lake beds" "lakes","Used for","lochs" "lakes","Used for","millponds" "lakes","Used for","oxbow lakes" "lakes","Used for","ponds" "lakes","Used for","pools (water bodies)" "lakes","Used for","salt evaporation ponds" "lakes","Used for","salt lakes" "lakes","Used for","salt ponds" "lakes","Used for","tarns" "lakes","Related Terms","basins" "lakes","Related Terms","estuaries" "lakes","Related Terms","reservoirs" "lakes","Related Terms","wetlands" "lakes","Broader Terms","hydrographic features" "land grants","Use","land parcels" "land parcels","Used for","claims (land)" "land parcels","Used for","estates" "land parcels","Used for","land grants" "land parcels","Used for","lots (land parcels)" "land parcels","Used for","tracts" "land parcels","Related Terms","cadastral areas" "land parcels","Scope Note","A tract or plot of the Earth's surface distinguishable by ownership. [USGS Circ 1048]" "land regions","Used for","lake districts" "land regions","Used for","lake regions" "land regions","Narrower Terms","continents" "land regions","Narrower Terms","islands" "land regions","Narrower Terms","subcontinents" "land regions","Broader Terms","regions" "land-tied islands","Use","islands" "landfills","Use","disposal sites" "landing fields","Use","airport features" "landing strips","Use","airport features" "landmarks","Used for","cairns" "landmarks","Related Terms","historical sites" "landmarks","Related Terms","monuments" "landmarks","Broader Terms","manmade features" "landslides","Use","physiographic features" "laterals","Use","canals" "launch facilities","Used for","missile sites" "launch facilities","Related Terms","data collection facilities" "launch facilities","Related Terms","reference locations" "launch facilities","Related Terms","research areas" "launch facilities","Scope Note","An area from which rockets/missiles may be housed and projected, usually equipped with associated buildings and facilities. [USGS Circ 1048]" "launch facilities","Broader Terms","manmade features" "lava areas","Use","lava fields" "lava fields","Used for","lava areas" "lava fields","Broader Terms","volcanic features" "lead mines","Use","mine sites" "leased areas (government)","Use","administrative areas" "leased zones (government)","Use","administrative areas" "ledges","Used for","benches (natural)" "ledges","Related Terms","cliffs" "ledges","Scope Note","A projecting horizontal, shelf-like mass of rock on a mountain- or cliff-side. [Monkhouse & Small, A dictionary of the natural environment]" "ledges","Broader Terms","physiographic features" "legation buildings","Use","buildings" "leper colonies","Use","residential sites" "leprosariums","Use","medical facilities" "levees","Used for","berms" "levees","Used for","dikes (manmade)" "levees","Used for","embankments" "levees","Used for","revetments" "levees","Related Terms","banks (hydrographic)" "levees","Related Terms","breakwaters" "levees","Related Terms","dam sites" "levees","Related Terms","piers" "levees","Scope Note","Natural or manmade embankments flanking rivers or streams. [Lib of Congress, Thesaurus of Graphic Materials I]." "levees","Broader Terms","hydrographic structures" "libraries","Use","library buildings" "library buildings","Used for","archive buildings" "library buildings","Used for","archives" "library buildings","Used for","libraries" "library buildings","Related Terms","educational facilities" "library buildings","Broader Terms","buildings" "light houses","Use","reference locations" "light stations","Use","reference locations" "lighthouses","Use","reference locations" "limekilns","Use","industrial sites" "llanos","Use","plains" "locales","Use","populated places" "localities","Use","populated places" "lochs","Use","fjords" "lochs","Use","lakes" "locks","Related Terms","canals" "locks","Scope Note","An enclosure used to raise or lower vessels as they pass from one level to another. [USGS Circ 1048]" "locks","Broader Terms","transportation features" "lodes (mineral)","Use","mineral deposit areas" "lodges","Use","buildings" "logging camps","Use","camps" "lookout (vista)","Use","parks" "lost rivers","Use","streams" "lots (land parcels)","Use","land parcels" "LTERs","Use","ecological research sites" "malls","Use","commercial sites" "management areas (reserves)","Use","reserves" "maneuver areas","Use","military areas" "mangrove islands","Use","islands" "mangrove swamps","Use","wetlands" "manmade features","Narrower Terms","agricultural sites" "manmade features","Narrower Terms","buildings" "manmade features","Narrower Terms","cemeteries" "manmade features","Narrower Terms","disposal sites" "manmade features","Narrower Terms","fisheries" "manmade features","Narrower Terms","fortifications" "manmade features","Narrower Terms","historical sites" "manmade features","Narrower Terms","hydrographic structures" "manmade features","Narrower Terms","landmarks" "manmade features","Narrower Terms","launch facilities" "manmade features","Narrower Terms","mine sites" "manmade features","Narrower Terms","monuments" "manmade features","Narrower Terms","oil fields" "manmade features","Narrower Terms","recreational facilities" "manmade features","Narrower Terms","storage structures" "manmade features","Narrower Terms","telecommunication features" "manmade features","Narrower Terms","towers" "manmade features","Narrower Terms","transportation features" "manmade features","Narrower Terms","wells" "manmade features","Narrower Terms","windmills" "mansions","Use","residential sites" "map quadrangle regions","Used for","quadrangle regions" "map quadrangle regions","Used for","topographic quadrangle regions" "map quadrangle regions","Broader Terms","map regions" "map regions","Narrower Terms","chart regions" "map regions","Narrower Terms","map quadrangle regions" "map regions","Narrower Terms","UTM zones" "map regions","Broader Terms","regions" "marinas","Used for","boat houses" "marinas","Used for","boathouses" "marinas","Scope Note","A harbor facility for recreational craft where supplies, repairs, and various services are available. [USGS Circ 1048]" "marinas","Broader Terms","harbors" "marine channels","Use","channels" "marine features","Use","hydrographic features" "marine parks","Use","parks" "marine regions","Use","ocean regions" "marine terminals","Use","harbors" "markers","Use","reference locations" "marketplaces","Use","commercial sites" "markets","Use","commercial sites" "marshes","Use","wetlands" "massacre sites","Use","historical sites" "massifs","Related Terms","mountains" "massifs","Related Terms","plateaus" "massifs","Broader Terms","physiographic features" "mausoleums","Use","cemeteries" "meadows","Use","grasslands" "meander necks","Use","physiographic features" "meanders","Use","streams" "median valleys","Use","valleys" "medical centers","Use","medical facilities" "medical facilities","Used for","asylums" "medical facilities","Used for","clinics" "medical facilities","Used for","convalescent centers" "medical facilities","Used for","dispensaries (medical)" "medical facilities","Used for","health facilities" "medical facilities","Used for","hospitals" "medical facilities","Used for","infirmaries" "medical facilities","Used for","leprosariums" "medical facilities","Used for","medical centers" "medical facilities","Used for","nursing homes" "medical facilities","Used for","rehabilitation centers" "medical facilities","Used for","sanatariums" "medical facilities","Used for","sanatoriums" "medical facilities","Used for","veterinary facilities" "medical facilities","Related Terms","residential sites" "medical facilities","Broader Terms","institutional sites" "memorial gardens","Use","cemeteries" "memorials","Use","monuments" "mesas","Used for","buttes" "mesas","Related Terms","flats" "mesas","Related Terms","mountains" "mesas","Related Terms","plains" "mesas","Related Terms","plateaus" "mesas","Scope Note","A flat-topped elevation with steep sides. [Amer. Heritage Dictionary]" "mesas","Broader Terms","physiographic features" "meteorological stations","Use","data collection facilities" "metropolitan areas","Use","populated places" "Metropolitan Statistical Areas","Used for","MSAs" "Metropolitan Statistical Areas","Related Terms","cities" "Metropolitan Statistical Areas","Related Terms","populated places" "Metropolitan Statistical Areas","Broader Terms","statistical areas" "metrorail stations","Use","railroad features" "milestones","Use","reference locations" "military areas","Used for","air force bases" "military areas","Used for","army facilities" "military areas","Used for","arsenals" "military areas","Used for","artillery ranges" "military areas","Used for","barracks" "military areas","Used for","bases (military)" "military areas","Used for","camps (military)" "military areas","Used for","forts" "military areas","Used for","infantry camps" "military areas","Used for","maneuver areas" "military areas","Used for","military bases" "military areas","Used for","military installations" "military areas","Used for","national guard facilities" "military areas","Used for","naval bases" "military areas","Related Terms","buildings" "military areas","Related Terms","camps" "military areas","Related Terms","fortifications" "military areas","Broader Terms","administrative areas" "military bases","Use","military areas" "military installations","Use","military areas" "military schools","Use","educational facilities" "mill sites","Use","industrial sites" "millponds","Use","lakes" "mills","Use","industrial sites" "millsites","Use","industrial sites" "mine dumps","Use","disposal sites" "mine entrances","Use","mine sites" "mine shafts","Use","mine sites" "mine sites","Used for","adits (mine sites)" "mine sites","Used for","chrome mines" "mine sites","Used for","coal mines" "mine sites","Used for","collieries" "mine sites","Used for","copper mines" "mine sites","Used for","diatomite mines" "mine sites","Used for","gold mines" "mine sites","Used for","gravel pits" "mine sites","Used for","iron mines" "mine sites","Used for","lead mines" "mine sites","Used for","mine entrances" "mine sites","Used for","mine shafts" "mine sites","Used for","mines" "mine sites","Used for","mining areas" "mine sites","Used for","mining camps" "mine sites","Used for","nickel mines" "mine sites","Used for","open pit mines" "mine sites","Used for","placer mines" "mine sites","Used for","quarries" "mine sites","Used for","salt mines" "mine sites","Used for","strip mines" "mine sites","Used for","tin mines" "mine sites","Related Terms","disposal sites" "mine sites","Related Terms","mineral deposit areas" "mine sites","Related Terms","wells" "mine sites","Scope Note","An excavation in the Earth for the purpose of extracting Earth materials. [USGS Circ 1048]" "mine sites","Broader Terms","manmade features" "mineral deposit areas","Used for","coal fields" "mineral deposit areas","Used for","coalfields" "mineral deposit areas","Used for","lodes (mineral)" "mineral deposit areas","Used for","petroleum basins" "mineral deposit areas","Used for","placers" "mineral deposit areas","Used for","salt deposit areas" "mineral deposit areas","Related Terms","basins" "mineral deposit areas","Related Terms","mine sites" "mineral deposit areas","Broader Terms","physiographic features" "mineral springs","Use","springs (hydrographic)" "mines","Use","mine sites" "mining areas","Use","mine sites" "mining camps","Use","mine sites" "mires","Use","wetlands" "missile sites","Use","launch facilities" "missions","Use","buildings" "moats (manmade)","Use","fortifications" "moats (seafloor)","Use","seafloor features" "mobile home parks","Broader Terms","residential sites" "mobile home sites","Use","residential sites" "moles (structural)","Use","breakwaters" "monasteries","Use","religious facilities" "monasteries","Use","residential sites" "monuments","Used for","memorials" "monuments","Used for","national monuments" "monuments","Used for","pyramids" "monuments","Used for","shrines" "monuments","Used for","statues" "monuments","Used for","tombs" "monuments","Related Terms","archaeological sites" "monuments","Related Terms","cemeteries" "monuments","Related Terms","historical sites" "monuments","Related Terms","landmarks" "monuments","Related Terms","parks" "monuments","Broader Terms","manmade features" "moorings","Use","harbors" "moors","Use","shrublands" "moraines","Related Terms","glacier features" "moraines","Scope Note","An accumulation of earth and stones carried and deposited by a glacier. [USGS Circ 1048]" "moraines","Broader Terms","physiographic features" "mosques","Use","religious facilities" "motels","Use","buildings" "mounds","Use","mountains" "mountain crests","Use","mountain summits" "mountain ranges","Used for","ranges (physiographic)" "mountain ranges","Used for","sierra" "mountain ranges","Scope Note","A chain of mounts. [USGS Circ 1048]" "mountain ranges","Broader Terms","mountains" "mountain summits","Used for","ahus" "mountain summits","Used for","mountain crests" "mountain summits","Used for","nunataks" "mountain summits","Used for","peaks" "mountain summits","Used for","summits" "mountain summits","Related Terms","ridges" "mountain summits","Broader Terms","mountains" "mountains","Used for","cerros" "mountains","Used for","cordilleras" "mountains","Used for","foothills" "mountains","Used for","hills" "mountains","Used for","knolls" "mountains","Used for","mounds" "mountains","Used for","mounts" "mountains","Narrower Terms","continental divides" "mountains","Narrower Terms","mountain ranges" "mountains","Narrower Terms","mountain summits" "mountains","Narrower Terms","ridges" "mountains","Related Terms","anticlines" "mountains","Related Terms","massifs" "mountains","Related Terms","mesas" "mountains","Related Terms","seamounts" "mountains","Related Terms","volcanoes" "mountains","Broader Terms","physiographic features" "mounts","Use","mountains" "MSAs","Use","Metropolitan Statistical Areas" "mud flats","Use","wetlands" "municipal courts","Use","court houses" "municipalities","Use","cities" "municipios","Use","countries, 2nd order divisions" "munitions plants","Use","industrial sites" "museum buildings","Used for","art galleries" "museum buildings","Used for","galleries" "museum buildings","Used for","museums" "museum buildings","Broader Terms","buildings" "museums","Use","museum buildings" "narrows (hydrographic)","Use","channels" "natatoriums","Use","sports facilities" "national capitals","Use","capitals" "national forests","Use","forests" "national forests","Use","parks" "national guard facilities","Use","military areas" "national monuments","Use","monuments" "national parks","Use","parks" "national seashores","Use","parks" "nations","Use","countries" "natural areas","Use","reserves" "natural bridges","Use","arches (natural formation)" "natural rock formations","Used for","crags" "natural rock formations","Used for","pillars (natural formation)" "natural rock formations","Used for","pinnacles (natural formation)" "natural rock formations","Used for","rock towers" "natural rock formations","Used for","rocks" "natural rock formations","Narrower Terms","arches (natural formation)" "natural rock formations","Broader Terms","physiographic features" "natural tunnels","Use","caves" "nature reserves","Use","reserves" "naval bases","Use","military areas" "navigation canals","Use","canals" "navigation channels","Use","channels" "neighborhood centers","Use","buildings" "neighborhoods (residential)","Use","housing areas" "nickel mines","Use","mine sites" "novitiates","Use","religious facilities" "novitiates","Use","residential sites" "nuclear power plants","Use","power generation sites" "nunataks","Scope Note","Rocks or mountain peaks protruding through glacial ice. [NIMA]" "nunataks","Use","glacier features" "nunataks","Use","mountain summits" "nurseries","Use","agricultural sites" "nursing homes","Use","medical facilities" "nursing homes","Use","residential sites" "oases","Related Terms","deserts" "oases","Related Terms","hydrographic features" "oases","Related Terms","springs (hydrographic)" "oases","Broader Terms","biogeographic regions" "oblasts","Use","political areas" "observation points","Use","parks" "observation sites","Use","research areas" "observatories","Use","research facilities" "observatorios","Use","research facilities" "ocean currents","Used for","currents" "ocean currents","Broader Terms","oceans" "ocean floor features","Use","seafloor features" "ocean regions","Used for","marine regions" "ocean regions","Related Terms","regions" "ocean regions","Scope Note","The great body of salt water of the oceans. [USGS Circ 1048]" "ocean regions","Broader Terms","oceans" "ocean trenches","Used for","deep-sea trenches" "ocean trenches","Used for","deeps (ocean)" "ocean trenches","Used for","trenches (seafloor)" "ocean trenches","Used for","troughs (seafloor)" "ocean trenches","Related Terms","submarine canyons" "ocean trenches","Scope Note","The topographic expression of subduction; the large linear depression of the oceanic lithosphere at a subduction zone. [Penguin Dict. of Geology, Kearey]" "ocean trenches","Broader Terms","seafloor features" "oceans","Narrower Terms","ocean currents" "oceans","Narrower Terms","ocean regions" "oceans","Scope Note","One of the major divisions of the vast expanse of salt water covering part of the earth. [NIMA]" "oceans","Broader Terms","seas" "offices","Use","buildings" "offshore areas","Use","coastal zones" "offshore platforms","Used for","artificial islands" "offshore platforms","Used for","oil platforms" "offshore platforms","Used for","platforms (offshore)" "offshore platforms","Related Terms","oil fields" "offshore platforms","Broader Terms","hydrographic structures" "oil camps","Use","camps" "oil fields","Used for","gas fields" "oil fields","Used for","gasfields" "oil fields","Used for","oilfields" "oil fields","Used for","petroleum fields" "oil fields","Used for","storage fields (petroleum)" "oil fields","Related Terms","offshore platforms" "oil fields","Related Terms","wells" "oil fields","Broader Terms","manmade features" "oil palm plantations","Use","agricultural sites" "oil pipeline junctions","Use","pipelines" "oil pipeline terminals","Use","pipelines" "oil pipelines","Use","pipelines" "oil platforms","Use","offshore platforms" "oil pumping stations","Use","pipelines" "oil refineries","Use","industrial sites" "oil wells","Use","wells" "oilfields","Use","oil fields" "olive groves","Use","woods" "olive oil mills","Use","industrial sites" "open pit mines","Use","mine sites" "opera houses","Use","performance sites" "orchards","Use","agricultural sites" "ore treatment plants","Use","industrial sites" "orphanages","Use","residential sites" "overfalls","Use","hydrographic features" "overpasses","Use","bridges" "oxbow lakes","Use","lakes" "pagodas","Use","towers" "palaces","Use","residential sites" "paleontological sites","Related Terms","archaeological sites" "paleontological sites","Related Terms","petrified forests" "paleontological sites","Scope Note","Sites with notable fossil remains" "paleontological sites","Broader Terms","research areas" "palm groves","Use","woods" "palm tree reserves","Use","reserves" "pampas","Use","grasslands" "pans (geologic)","Use","basins" "parishes","Use","countries, 2nd order divisions" "park gates","Use","parks" "park headquarters","Use","buildings" "parking lots","Use","parking sites" "parking sites","Used for","garages" "parking sites","Used for","parking lots" "parking sites","Scope Note","A designated area where motor vehicles are set and left temporarily. [USGS Circ 1048]" "parking sites","Broader Terms","transportation features" "parks","Used for","arboretums" "parks","Used for","botanical gardens" "parks","Used for","commemorative areas" "parks","Used for","commons" "parks","Used for","gardens" "parks","Used for","lookout (vista)" "parks","Used for","marine parks" "parks","Used for","national forests" "parks","Used for","national parks" "parks","Used for","national seashores" "parks","Used for","observation points" "parks","Used for","park gates" "parks","Used for","picnic areas" "parks","Used for","playgrounds" "parks","Used for","provincial parks" "parks","Used for","public use areas" "parks","Used for","recreation areas" "parks","Used for","rest areas" "parks","Used for","scenic areas" "parks","Used for","state forests" "parks","Used for","state parks" "parks","Used for","urban parks" "parks","Used for","village squares" "parks","Used for","wilderness areas" "parks","Used for","zoological gardens" "parks","Used for","zoos" "parks","Narrower Terms","vistas" "parks","Related Terms","historical sites" "parks","Related Terms","monuments" "parks","Related Terms","recreational facilities" "parks","Related Terms","reserves" "parks","Related Terms","trails" "parks","Scope Note","Place or area set aside for recreation or preservation of a cultural or natural resource and under some form of government administration." "parks","Broader Terms","administrative areas" "parkways","Use","roadways" "parsonages","Use","residential sites" "passes","Use","gaps" "pastures","Use","agricultural sites" "patrol posts","Use","buildings" "pavilions","Use","buildings" "peaks","Use","mountain summits" "peat cutting areas","Use","wetlands" "peatlands","Use","wetlands" "penal camps","Use","correctional facilities" "penal farms","Use","correctional facilities" "peninsulas","Use","capes" "penitentiaries","Use","correctional facilities" "performance sites","Used for","amphitheaters" "performance sites","Used for","amphitheatres" "performance sites","Used for","auditoriums" "performance sites","Used for","bowls (performance)" "performance sites","Used for","coliseums" "performance sites","Used for","concert halls" "performance sites","Used for","opera houses" "performance sites","Used for","playhouses" "performance sites","Used for","recital halls" "performance sites","Used for","stages (performance)" "performance sites","Used for","symphony halls" "performance sites","Used for","theaters" "performance sites","Used for","theatres" "performance sites","Related Terms","sports facilities" "performance sites","Broader Terms","recreational facilities" "petrified forests","Used for","fossilized forests" "petrified forests","Related Terms","paleontological sites" "petrified forests","Broader Terms","forests" "petroglyphs","Use","archaeological sites" "petroleum basins","Use","mineral deposit areas" "petroleum fields","Use","oil fields" "phosphate works","Use","industrial sites" "physical education facilities","Use","sports facilities" "physiographic features","Used for","aprons (geological)" "physiographic features","Used for","blowholes" "physiographic features","Used for","blowouts" "physiographic features","Used for","boulder fields" "physiographic features","Used for","cones (geological)" "physiographic features","Used for","crevasses" "physiographic features","Used for","fissures" "physiographic features","Used for","furrows" "physiographic features","Used for","geological features" "physiographic features","Used for","grades (physiographic)" "physiographic features","Used for","hammocks" "physiographic features","Used for","inclines" "physiographic features","Used for","landslides" "physiographic features","Used for","meander necks" "physiographic features","Used for","pitches (physiographic)" "physiographic features","Used for","polders" "physiographic features","Used for","potholes" "physiographic features","Used for","rockfalls" "physiographic features","Used for","sinkholes" "physiographic features","Used for","sinks" "physiographic features","Used for","siphon (physiographic)" "physiographic features","Used for","slides (natural)" "physiographic features","Used for","slopes" "physiographic features","Used for","talus slopes" "physiographic features","Used for","terraces (physiographic)" "physiographic features","Used for","uplands" "physiographic features","Narrower Terms","alluvial fans" "physiographic features","Narrower Terms","arroyos" "physiographic features","Narrower Terms","badlands" "physiographic features","Narrower Terms","banks (hydrographic)" "physiographic features","Narrower Terms","bars (physiographic)" "physiographic features","Narrower Terms","basins" "physiographic features","Narrower Terms","beaches" "physiographic features","Narrower Terms","bights" "physiographic features","Narrower Terms","capes" "physiographic features","Narrower Terms","caves" "physiographic features","Narrower Terms","cirques" "physiographic features","Narrower Terms","cliffs" "physiographic features","Narrower Terms","craters" "physiographic features","Narrower Terms","dunes" "physiographic features","Narrower Terms","flats" "physiographic features","Narrower Terms","gaps" "physiographic features","Narrower Terms","isthmuses" "physiographic features","Narrower Terms","karst areas" "physiographic features","Narrower Terms","ledges" "physiographic features","Narrower Terms","massifs" "physiographic features","Narrower Terms","mesas" "physiographic features","Narrower Terms","mineral deposit areas" "physiographic features","Narrower Terms","moraines" "physiographic features","Narrower Terms","mountains" "physiographic features","Narrower Terms","natural rock formations" "physiographic features","Narrower Terms","plains" "physiographic features","Narrower Terms","plateaus" "physiographic features","Narrower Terms","playas" "physiographic features","Narrower Terms","reefs" "physiographic features","Narrower Terms","seafloor features" "physiographic features","Narrower Terms","tectonic features" "physiographic features","Narrower Terms","valleys" "physiographic features","Narrower Terms","volcanic features" "physiographic features","Related Terms","biogeographic regions" "picnic areas","Use","parks" "piers","Used for","docks" "piers","Used for","jetties" "piers","Used for","quays" "piers","Used for","wharves" "piers","Related Terms","harbors" "piers","Related Terms","levees" "piers","Scope Note","Structures to which vessels may be berthed. [USGS Circ 1048]" "piers","Broader Terms","hydrographic structures" "pillars (natural formation)","Use","natural rock formations" "pine groves","Use","woods" "pinnacles (natural formation)","Scope Note","A vertical, standing, often spire-shaped natural rock formation. [USGS Circ 1048]" "pinnacles (natural formation)","Use","natural rock formations" "pipelines","Used for","compressor stations" "pipelines","Used for","gas pipelines" "pipelines","Used for","oil pipeline junctions" "pipelines","Used for","oil pipeline terminals" "pipelines","Used for","oil pipelines" "pipelines","Used for","oil pumping stations" "pipelines","Used for","pump houses" "pipelines","Used for","pumphouses" "pipelines","Used for","pumping stations" "pipelines","Used for","water pumping stations" "pipelines","Related Terms","waterworks" "pipelines","Scope Note","A tubular conduit of substantial length, with pumps, valves, and control devices, for conveying fluids, gases, or finely divided solids. [USGS Circ 1048]" "pipelines","Broader Terms","transportation features" "pistol ranges","Broader Terms","sports facilities" "pitches (physiographic)","Use","physiographic features" "placer mines","Use","mine sites" "placers","Use","mineral deposit areas" "plains","Used for","interfluves" "plains","Used for","llanos" "plains","Related Terms","flats" "plains","Related Terms","mesas" "plains","Related Terms","plateaus" "plains","Scope Note","A region of general uniform slope, comparatively level and of considerable extent. [USGS Circ 1048]" "plains","Broader Terms","physiographic features" "planetariums","Use","buildings" "plantations","Use","agricultural sites" "plants (industrial)","Use","industrial sites" "plaques","Use","reference locations" "plateaus","Used for","table mountains" "plateaus","Used for","tablelands" "plateaus","Related Terms","flats" "plateaus","Related Terms","massifs" "plateaus","Related Terms","mesas" "plateaus","Related Terms","plains" "plateaus","Scope Note","An upland with a more or less uniform summit level, sometimes bounded by slopes falling steeply away, sometimes rising by steep slopes to mountain ridges. [Monkshouse & Small, A Dictionary of the Natural Environment]" "plateaus","Broader Terms","physiographic features" "platforms (continental margins)","Use","continental margins" "platforms (offshore)","Use","offshore platforms" "playas","Used for","chotts" "playas","Used for","kavirs" "playas","Related Terms","basins" "playas","Related Terms","flats" "playas","Related Terms","wetlands" "playas","Scope Note","A closed depression in an arid or semi-arid region that is periodically inundated by surface runoff, or the salt flat within such a closed basin. It is derived from the Spanish word for a 'beach' and is thus probably incorrectly used by English-speaking geomorphologists. [Encyc. Dictionary of Physical Geography]" "playas","Broader Terms","physiographic features" "playgrounds","Use","parks" "playgrounds","Use","recreational facilities" "playhouses","Use","performance sites" "plazas","Use","buildings" "points (physiographic)","Use","capes" "polders","Scope Note","A flat, low-lying area of land reclaimed from the sea or a lake by artificial drainage. [Penguin Dict of Geology, Kearey]" "polders","Use","physiographic features" "poles (sphere)","Use","reference locations" "police posts","Use","buildings" "political areas","Used for","commonwealths" "political areas","Used for","dependent political entities" "political areas","Used for","freely associated states" "political areas","Used for","independent political entities" "political areas","Used for","oblasts" "political areas","Used for","political entities" "political areas","Used for","semi-independent political entities" "political areas","Narrower Terms","countries" "political areas","Narrower Terms","countries, 1st order divisions" "political areas","Narrower Terms","countries, 2nd order divisions" "political areas","Narrower Terms","countries, 3rd order divisions" "political areas","Narrower Terms","countries, 4th order divisions" "political areas","Related Terms","reserves" "political areas","Broader Terms","administrative areas" "political entities","Use","political areas" "polo fields","Use","sports facilities" "ponds","Use","lakes" "pools (water bodies)","Use","lakes" "pools, swimming","Use","sports facilities" "populated localities","Use","populated places" "populated places","Used for","agricultural colonies" "populated places","Used for","communes" "populated places","Used for","communities" "populated places","Used for","hamlets" "populated places","Used for","homesteads" "populated places","Used for","locales" "populated places","Used for","localities" "populated places","Used for","metropolitan areas" "populated places","Used for","populated localities" "populated places","Used for","ppl" "populated places","Used for","pueblos" "populated places","Used for","religious populated places" "populated places","Used for","settlements" "populated places","Used for","suburbs" "populated places","Used for","villages" "populated places","Narrower Terms","cities" "populated places","Related Terms","Metropolitan Statistical Areas" "populated places","Broader Terms","administrative areas" "portages","Use","transportation features" "ports","Use","harbors" "post office buildings","Used for","post offices" "post office buildings","Broader Terms","buildings" "post offices","Use","post office buildings" "postal areas","Used for","zip code areas" "postal areas","Broader Terms","administrative areas" "potholes","Use","physiographic features" "power generation sites","Used for","electric plants" "power generation sites","Used for","generating centers" "power generation sites","Used for","generation sites" "power generation sites","Used for","hydroelectric power stations" "power generation sites","Used for","nuclear power plants" "power generation sites","Used for","power plants" "power generation sites","Used for","power stations" "power generation sites","Used for","powerhouses" "power generation sites","Used for","solar power generation sites" "power generation sites","Used for","steam plants" "power generation sites","Used for","windmill power generation sites" "power generation sites","Scope Note","A group of associated structures functioning as a unit used for generating electricity. [USGS Circ 1048]" "power generation sites","Broader Terms","industrial sites" "power plants","Use","power generation sites" "power stations","Use","power generation sites" "powerhouses","Use","power generation sites" "ppl","Use","populated places" "prairies","Use","grasslands" "precincts","Use","countries, 3rd order divisions" "precipices","Use","cliffs" "prefectures","Scope Note","The district governed by a prefect. [Merriam-Webster Online]" "prefectures","Use","administrative areas" "preserves","Use","reserves" "primitive areas","Use","reserves" "prisons","Use","correctional facilities" "processing plants","Use","industrial sites" "promenades","Use","trails" "promontories","Use","capes" "protected areas","Use","reserves" "protectorates","Use","administrative areas" "provinces","Use","countries, 1st order divisions" "provincial parks","Use","parks" "proving grounds","Use","research facilities" "public buildings","Use","buildings" "public use areas","Use","parks" "pueblos","Use","populated places" "pump houses","Use","pipelines" "pumphouses","Use","pipelines" "pumping stations","Use","pipelines" "pyramids","Use","archaeological sites" "pyramids","Use","monuments" "quadrangle regions","Use","map quadrangle regions" "quagmires","Use","wetlands" "quarries","Use","mine sites" "quays","Use","piers" "quebradas","Use","canyons" "quicksand areas","Use","bars (physiographic)" "race tracks","Use","sports facilities" "racecourses","Use","sports facilities" "racetracks","Use","sports facilities" "raceways","Use","sports facilities" "radio observatories","Use","research facilities" "radio stations","Use","telecommunication features" "railroad features","Used for","metrorail stations" "railroad features","Used for","railroad junctions" "railroad features","Used for","railroad sidings" "railroad features","Used for","railroad spurs" "railroad features","Used for","railroad stations" "railroad features","Used for","railroad stops" "railroad features","Used for","railroad switches" "railroad features","Used for","railroad yards" "railroad features","Used for","railways" "railroad features","Used for","subway stations" "railroad features","Used for","switches (railroad)" "railroad features","Used for","tramways" "railroad features","Broader Terms","transportation features" "railroad junctions","Use","railroad features" "railroad sidings","Use","railroad features" "railroad spurs","Use","railroad features" "railroad stations","Use","railroad features" "railroad stops","Use","railroad features" "railroad switches","Use","railroad features" "railroad tunnels","Use","tunnels" "railroad yards","Use","railroad features" "railways","Use","railroad features" "rain forests","Related Terms","jungles" "rain forests","Broader Terms","forests" "ramps (seafloor)","Use","seafloor features" "ranches","Use","agricultural sites" "ranger stations","Use","buildings" "ranges (physiographic)","Use","mountain ranges" "rapids","Related Terms","bars (physiographic)" "rapids","Scope Note","An area of swift current in a stream or river, characterized by standing waves or by boulders and rocks. [USGS Circ 1048]" "rapids","Broader Terms","rivers" "ravines","Use","canyons" "reaches (hydrographic)","Use","channels" "recital halls","Use","performance sites" "recreation areas","Use","parks" "recreation sites","Use","recreational facilities" "recreational facilities","Used for","access areas" "recreational facilities","Used for","access sites" "recreational facilities","Used for","boardwalks" "recreational facilities","Used for","casinos" "recreational facilities","Used for","clubs (recreational)" "recreational facilities","Used for","country clubs" "recreational facilities","Used for","fairgrounds" "recreational facilities","Used for","fishing areas" "recreational facilities","Used for","fishing lodges" "recreational facilities","Used for","fitness centers" "recreational facilities","Used for","gun clubs" "recreational facilities","Used for","hunt posts" "recreational facilities","Used for","hunting lodges" "recreational facilities","Used for","ice skating rinks" "recreational facilities","Used for","playgrounds" "recreational facilities","Used for","recreation sites" "recreational facilities","Used for","resorts" "recreational facilities","Used for","riding stables" "recreational facilities","Used for","spas" "recreational facilities","Used for","sportsman lodges" "recreational facilities","Used for","stables" "recreational facilities","Used for","yacht clubs" "recreational facilities","Used for","youth centers" "recreational facilities","Used for","youth facilities" "recreational facilities","Narrower Terms","amusement parks" "recreational facilities","Narrower Terms","camps" "recreational facilities","Narrower Terms","performance sites" "recreational facilities","Narrower Terms","sports facilities" "recreational facilities","Related Terms","parks" "recreational facilities","Broader Terms","manmade features" "rectories","Use","residential sites" "redoubts","Use","fortifications" "reefs","Used for","barrier reefs" "reefs","Used for","fringing reefs" "reefs","Narrower Terms","coral reefs" "reefs","Related Terms","bars (physiographic)" "reefs","Related Terms","seafloor features" "reefs","Scope Note","A chain of rocks or coral at or near the surface of water. [USGS Circ 1048]" "reefs","Broader Terms","physiographic features" "reference locations","Used for","astronomical stations" "reference locations","Used for","beacons" "reference locations","Used for","bench marks" "reference locations","Used for","boundaries" "reference locations","Used for","boundary markers" "reference locations","Used for","buoys" "reference locations","Used for","control points" "reference locations","Used for","geodectic stations" "reference locations","Used for","geographic centers" "reference locations","Used for","light houses" "reference locations","Used for","light stations" "reference locations","Used for","lighthouses" "reference locations","Used for","markers" "reference locations","Used for","milestones" "reference locations","Used for","plaques" "reference locations","Used for","poles (sphere)" "reference locations","Used for","triangulation stations" "reference locations","Related Terms","data collection facilities" "reference locations","Related Terms","launch facilities" "reference locations","Related Terms","research areas" "reference locations","Related Terms","towers" "reference locations","Broader Terms","administrative areas" "refineries","Use","industrial sites" "reflectors","Use","research facilities" "reformatories","Use","correctional facilities" "refugee camps","Use","camps" "refuse disposal sites","Use","disposal sites" "regions","Narrower Terms","biogeographic regions" "regions","Narrower Terms","cadastral areas" "regions","Narrower Terms","climatic regions" "regions","Narrower Terms","coastal zones" "regions","Narrower Terms","economic regions" "regions","Narrower Terms","firebreaks" "regions","Narrower Terms","land regions" "regions","Narrower Terms","map regions" "regions","Narrower Terms","research areas" "regions","Related Terms","ocean regions" "rehabilitation centers","Use","medical facilities" "religious centers","Use","religious facilities" "religious facilities","Used for","cathedrals" "religious facilities","Used for","chapels" "religious facilities","Used for","churches" "religious facilities","Used for","convents" "religious facilities","Used for","monasteries" "religious facilities","Used for","mosques" "religious facilities","Used for","novitiates" "religious facilities","Used for","religious centers" "religious facilities","Used for","religious populated places" "religious facilities","Used for","religious sites" "religious facilities","Used for","retreats (religious)" "religious facilities","Used for","sanctuaries (religious)" "religious facilities","Used for","synagogues" "religious facilities","Used for","tabernacles" "religious facilities","Used for","temples" "religious facilities","Broader Terms","institutional sites" "religious populated places","Use","populated places" "religious populated places","Use","religious facilities" "religious sites","Use","religious facilities" "republics","Use","countries" "research areas","Used for","experimental areas" "research areas","Used for","experimental fields" "research areas","Used for","field campaigns" "research areas","Used for","observation sites" "research areas","Used for","study areas" "research areas","Used for","test sites" "research areas","Narrower Terms","ecological research sites" "research areas","Narrower Terms","paleontological sites" "research areas","Related Terms","data collection facilities" "research areas","Related Terms","launch facilities" "research areas","Related Terms","reference locations" "research areas","Related Terms","research facilities" "research areas","Broader Terms","regions" "research facilities","Used for","accelerators" "research facilities","Used for","archaeological centers" "research facilities","Used for","atomic centers" "research facilities","Used for","experiment stations" "research facilities","Used for","laboratories" "research facilities","Used for","observatories" "research facilities","Used for","observatorios" "research facilities","Used for","proving grounds" "research facilities","Used for","radio observatories" "research facilities","Used for","reflectors" "research facilities","Used for","research institutes" "research facilities","Used for","scientific research bases" "research facilities","Used for","space centers" "research facilities","Used for","telescopes" "research facilities","Used for","weather stations" "research facilities","Narrower Terms","data collection facilities" "research facilities","Related Terms","archaeological sites" "research facilities","Related Terms","educational facilities" "research facilities","Related Terms","institutional sites" "research facilities","Related Terms","research areas" "research facilities","Broader Terms","buildings" "research institutes","Use","research facilities" "reservations (indian)","Use","tribal areas" "reservations (nature sites)","Use","reserves" "reserves","Used for","agricultural reserves" "reserves","Used for","conservation areas" "reserves","Used for","demonstration areas" "reserves","Used for","environmental areas" "reserves","Used for","forest reserves" "reserves","Used for","game management areas" "reserves","Used for","hunting reserves" "reserves","Used for","management areas (reserves)" "reserves","Used for","natural areas" "reserves","Used for","nature reserves" "reserves","Used for","palm tree reserves" "reserves","Used for","preserves" "reserves","Used for","primitive areas" "reserves","Used for","protected areas" "reserves","Used for","reservations (nature sites)" "reserves","Used for","roadless areas" "reserves","Used for","sanctuaries (wildlife)" "reserves","Used for","wildlife areas" "reserves","Used for","wildlife refuges" "reserves","Used for","wildlife reserves" "reserves","Related Terms","habitats" "reserves","Related Terms","parks" "reserves","Related Terms","political areas" "reserves","Scope Note","A tract of land set aside for a specific use." "reserves","Broader Terms","administrative areas" "reservoirs","Used for","covered reservoirs" "reservoirs","Used for","intermittent reservoirs" "reservoirs","Related Terms","lakes" "reservoirs","Scope Note","A constructed basin formed for recreation use, storage, treatment, collection, or processing of water or other liquids. [USGS Circ 1048]" "reservoirs","Broader Terms","hydrographic structures" "residential sites","Used for","apartment blocks" "residential sites","Used for","apartment houses" "residential sites","Used for","barracks" "residential sites","Used for","childrens homes" "residential sites","Used for","condominiums" "residential sites","Used for","dormitories" "residential sites","Used for","homes" "residential sites","Used for","leper colonies" "residential sites","Used for","mansions" "residential sites","Used for","mobile home sites" "residential sites","Used for","monasteries" "residential sites","Used for","novitiates" "residential sites","Used for","nursing homes" "residential sites","Used for","orphanages" "residential sites","Used for","palaces" "residential sites","Used for","parsonages" "residential sites","Used for","rectories" "residential sites","Used for","rowhouses" "residential sites","Used for","trailer parks (residential)" "residential sites","Used for","villas" "residential sites","Narrower Terms","housing areas" "residential sites","Narrower Terms","mobile home parks" "residential sites","Related Terms","medical facilities" "residential sites","Broader Terms","buildings" "resorts","Use","recreational facilities" "rest areas","Use","parks" "restaurants","Use","buildings" "resthouses","Use","transportation features" "retention basins","Use","storage basins" "retreats (religious)","Use","religious facilities" "revetments","Scope Note","A facing (as of stone or concrete) to sustain an embankment. [WWWebster's Dictionary]" "revetments","Use","levees" "rice fields","Use","agricultural sites" "ridges","Used for","aretes" "ridges","Used for","beach ridges" "ridges","Used for","cuestas" "ridges","Used for","eskers" "ridges","Used for","hogbacks" "ridges","Used for","icecap ridges" "ridges","Used for","rises (seafloor)" "ridges","Used for","spurs (physiographic)" "ridges","Narrower Terms","drumlins" "ridges","Related Terms","cliffs" "ridges","Related Terms","mountain summits" "ridges","Related Terms","seafloor features" "ridges","Scope Note","A long and narrow upland with steep sides. [USGS Circ 1048]" "ridges","Broader Terms","mountains" "riding stables","Use","recreational facilities" "rifle ranges","Use","sports facilities" "rift zones","Broader Terms","faults" "rios","Use","rivers" "riparian areas","Use","wetlands" "rises (seafloor)","Use","ridges" "rises (seafloor)","Use","seafloor features" "river bends","Use","bends (river)" "rivers","Used for","rios" "rivers","Narrower Terms","bends (river)" "rivers","Narrower Terms","rapids" "rivers","Narrower Terms","waterfalls" "rivers","Related Terms","channels" "rivers","Related Terms","guts" "rivers","Related Terms","springs (hydrographic)" "rivers","Broader Terms","streams" "road bends","Use","roadways" "road cuts","Use","roadways" "road junctions","Use","roadways" "road tunnels","Use","tunnels" "roadless areas","Use","reserves" "roads","Use","roadways" "roadsteads (anchorages)","Use","harbors" "roadways","Used for","caravan routes" "roadways","Used for","causeways" "roadways","Used for","drives" "roadways","Used for","highways" "roadways","Used for","intersections" "roadways","Used for","parkways" "roadways","Used for","road bends" "roadways","Used for","road cuts" "roadways","Used for","road junctions" "roadways","Used for","roads" "roadways","Used for","streets" "roadways","Used for","traffic circles" "roadways","Scope Note","An open way for passage of vehicles. [USGS Circ 1048]" "roadways","Broader Terms","transportation features" "rock deserts","Use","deserts" "rock towers","Use","natural rock formations" "rockfalls","Use","physiographic features" "rocks","Use","natural rock formations" "rodeo grounds","Use","sports facilities" "rookeries","Use","habitats" "routes","Use","transportation features" "rowhouses","Use","residential sites" "rubber plantations","Use","agricultural sites" "ruins","Use","historical sites" "runways","Use","airport features" "RV parks","Use","camps" "sabkhas","Scope Note","A broad plain or salt flat in an arid or semi-arid region containing evaporites at a level dependent on the local water table. [Penguin Dict. of Geology, Kearey]" "sabkhas","Use","flats" "saddles (physiographic)","Use","gaps" "salt deposit areas","Use","mineral deposit areas" "salt evaporation ponds","Use","lakes" "salt lakes","Use","lakes" "salt marshes","Use","wetlands" "salt mines","Use","mine sites" "salt ponds","Use","lakes" "sanatariums","Use","medical facilities" "sanatoriums","Use","medical facilities" "sanctuaries (religious)","Use","religious facilities" "sanctuaries (wildlife)","Use","reserves" "sandbars","Use","bars (physiographic)" "sandy areas","Use","beaches" "sandy areas","Use","deserts" "sandy areas","Use","dunes" "sandy deserts","Use","deserts" "sanitary landfills","Use","disposal sites" "satellite stations","Use","data collection facilities" "savannahs","Use","grasslands" "savannas","Use","grasslands" "sawmills","Use","industrial sites" "scenic areas","Use","parks" "school districts","Broader Terms","administrative areas" "schools","Use","educational facilities" "scientific research bases","Use","research facilities" "scrap yards","Use","disposal sites" "scraps","Use","cliffs" "scrublands","Use","shrublands" "sea arches","Use","arches (natural formation)" "seachannels (seafloor)","Use","seafloor features" "seafloor features","Used for","arrugados" "seafloor features","Used for","banks (seafloor)" "seafloor features","Used for","benches (seafloor)" "seafloor features","Used for","holes (seafloor)" "seafloor features","Used for","moats (seafloor)" "seafloor features","Used for","ocean floor features" "seafloor features","Used for","ramps (seafloor)" "seafloor features","Used for","rises (seafloor)" "seafloor features","Used for","seachannels (seafloor)" "seafloor features","Used for","shelf valleys (seafloor)" "seafloor features","Used for","subsea features" "seafloor features","Used for","tongues (seafloor)" "seafloor features","Used for","underwater features" "seafloor features","Narrower Terms","abyssal features" "seafloor features","Narrower Terms","continental margins" "seafloor features","Narrower Terms","hydrothermal vents" "seafloor features","Narrower Terms","ocean trenches" "seafloor features","Narrower Terms","seamounts" "seafloor features","Narrower Terms","submarine canyons" "seafloor features","Related Terms","fracture zones" "seafloor features","Related Terms","reefs" "seafloor features","Related Terms","ridges" "seafloor features","Related Terms","valleys" "seafloor features","Broader Terms","physiographic features" "seamounts","Used for","guyots" "seamounts","Used for","tablemounts (seafloor)" "seamounts","Related Terms","mountains" "seamounts","Broader Terms","seafloor features" "seaplane bases","Used for","amphibious bases" "seaplane bases","Used for","seaplane landing areas" "seaplane bases","Related Terms","hydrographic structures" "seaplane bases","Scope Note","An installation supporting aircraft capable of taking off and landing on water. [FACC]" "seaplane bases","Broader Terms","airport features" "seaplane landing areas","Use","seaplane bases" "seas","Narrower Terms","oceans" "seas","Broader Terms","hydrographic features" "seawalls","Use","breakwaters" "second-order administrative divisions","Use","countries, 2nd order divisions" "semi-independent political entities","Use","political areas" "seminaries","Use","educational facilities" "sepulchers","Use","cemeteries" "settlements","Use","populated places" "sewage treatment plants","Use","waterworks" "sheepfolds","Use","agricultural sites" "sheikdoms","Scope Note","A region under the rule of a sheikh. [Merriam-Webster Online]" "sheikdoms","Use","administrative areas" "shelf edges (ocean)","Use","continental margins" "shelf valleys (seafloor)","Use","seafloor features" "shelf valleys (seafloor)","Use","valleys" "shelters","Use","buildings" "shelves, continental","Use","continental margins" "ship tracks","Use","transportation features" "shoals","Use","bars (physiographic)" "shooting ranges","Use","sports facilities" "shopping centers","Use","commercial sites" "shopping malls","Use","commercial sites" "shops","Use","buildings" "shorelines","Use","coastal zones" "shores","Use","coastal zones" "shrines","Use","monuments" "shrublands","Used for","bushes" "shrublands","Used for","chapparal areas" "shrublands","Used for","heaths" "shrublands","Used for","moors" "shrublands","Used for","scrublands" "shrublands","Scope Note","Areas covered with low-growing or stunted perennial vegetation and usually not mixed with trees. [USGS Circ 1048]" "shrublands","Broader Terms","biogeographic regions" "sierra","Use","mountain ranges" "sills (physiographic)","Use","gaps" "sinkholes","Use","physiographic features" "sinks","Use","physiographic features" "siphon (physiographic)","Use","physiographic features" "sisal plantations","Use","agricultural sites" "skeet shooting ranges","Use","sports facilities" "ski areas","Use","sports facilities" "ski facilities","Use","sports facilities" "ski trails","Use","sports facilities" "slag heaps","Use","disposal sites" "slides (natural)","Use","physiographic features" "slopes","Use","physiographic features" "sloughs","Use","wetlands" "slues","Use","wetlands" "sluices","Use","hydrographic structures" "smelters","Use","industrial sites" "snow regions","Used for","snowfields" "snow regions","Related Terms","ice masses" "snow regions","Broader Terms","biogeographic regions" "snowfields","Use","snow regions" "solar power generation sites","Use","power generation sites" "sounds (bodies of water)","Use","channels" "space centers","Use","research facilities" "spas","Use","recreational facilities" "speedways","Use","sports facilities" "spillways","Use","dam sites" "spits","Use","bars (physiographic)" "sports facilities","Used for","aquatic centers" "sports facilities","Used for","arenas" "sports facilities","Used for","athletic complexes" "sports facilities","Used for","athletic fields" "sports facilities","Used for","ball parks" "sports facilities","Used for","baseball fields" "sports facilities","Used for","dragways" "sports facilities","Used for","equestrian centers" "sports facilities","Used for","fields" "sports facilities","Used for","football fields" "sports facilities","Used for","golf clubs" "sports facilities","Used for","golf courses" "sports facilities","Used for","gymnasiums" "sports facilities","Used for","natatoriums" "sports facilities","Used for","physical education facilities" "sports facilities","Used for","polo fields" "sports facilities","Used for","pools, swimming" "sports facilities","Used for","race tracks" "sports facilities","Used for","racecourses" "sports facilities","Used for","racetracks" "sports facilities","Used for","raceways" "sports facilities","Used for","rifle ranges" "sports facilities","Used for","rodeo grounds" "sports facilities","Used for","shooting ranges" "sports facilities","Used for","skeet shooting ranges" "sports facilities","Used for","ski areas" "sports facilities","Used for","ski facilities" "sports facilities","Used for","ski trails" "sports facilities","Used for","speedways" "sports facilities","Used for","stadiums" "sports facilities","Used for","swim clubs" "sports facilities","Used for","swimming pools" "sports facilities","Used for","tennis clubs" "sports facilities","Used for","tennis courts" "sports facilities","Narrower Terms","pistol ranges" "sports facilities","Related Terms","performance sites" "sports facilities","Broader Terms","recreational facilities" "sportsman lodges","Use","recreational facilities" "springs (hydrographic)","Used for","mineral springs" "springs (hydrographic)","Used for","sulfur springs" "springs (hydrographic)","Related Terms","oases" "springs (hydrographic)","Related Terms","rivers" "springs (hydrographic)","Scope Note","A place where water issues from the ground naturally. [USGS Circ 1048]" "springs (hydrographic)","Broader Terms","streams" "spurs (physiographic)","Use","ridges" "stables","Use","recreational facilities" "stadiums","Use","sports facilities" "stages (performance)","Use","performance sites" "state capitals","Use","capitals" "state forests","Use","parks" "state parks","Use","parks" "states","Use","countries, 1st order divisions" "stations","Use","buildings" "statistical areas","Narrower Terms","census areas" "statistical areas","Narrower Terms","Metropolitan Statistical Areas" "statistical areas","Broader Terms","administrative areas" "statues","Use","monuments" "steam plants","Use","power generation sites" "steps (manmade)","Use","trails" "stock routes","Use","transportation features" "stockades","Use","fortifications" "stockyards","Use","agricultural sites" "stony deserts","Use","deserts" "storage basins","Used for","flood control basins" "storage basins","Used for","floodways" "storage basins","Used for","retention basins" "storage basins","Broader Terms","basins" "storage fields (petroleum)","Use","oil fields" "storage structures","Used for","cisterns" "storage structures","Used for","elevators (agricultural)" "storage structures","Used for","storage tanks" "storage structures","Used for","storehouses" "storage structures","Used for","warehouses" "storage structures","Used for","water tanks" "storage structures","Related Terms","buildings" "storage structures","Scope Note","A large container used for storage. [USGS Circ 1048]" "storage structures","Broader Terms","manmade features" "storage tanks","Use","storage structures" "storehouses","Use","storage structures" "stores","Use","commercial sites" "straits","Use","channels" "strands","Use","beaches" "stream banks","Use","banks (hydrographic)" "stream bends","Use","streams" "stream mouths","Use","streams" "streams","Used for","anabranches" "streams","Used for","brooks" "streams","Used for","burns (hydrographic)" "streams","Used for","confluences" "streams","Used for","creeks" "streams","Used for","distributaries" "streams","Used for","dry stream beds" "streams","Used for","forks (physiographic features)" "streams","Used for","intermittent streams" "streams","Used for","lost rivers" "streams","Used for","meanders" "streams","Used for","stream bends" "streams","Used for","stream mouths" "streams","Used for","tidal creeks" "streams","Used for","tributaries" "streams","Used for","watercourses" "streams","Narrower Terms","rivers" "streams","Narrower Terms","springs (hydrographic)" "streams","Related Terms","drainage basins" "streams","Related Terms","guts" "streams","Related Terms","wetlands" "streams","Broader Terms","hydrographic features" "streets","Use","roadways" "strip mines","Use","mine sites" "structures","Use","buildings" "student unions","Use","buildings" "studios","Use","buildings" "study areas","Use","research areas" "sub-surface dams","Use","dam sites" "subcontinents","Scope Note","Land masses of great size but smaller than those generally called continents; also large subdivisions of continents having a certain geographical independence. [AAT]" "subcontinents","Broader Terms","land regions" "subdivisions","Use","housing areas" "submarine canyons","Related Terms","canyons" "submarine canyons","Related Terms","ocean trenches" "submarine canyons","Broader Terms","seafloor features" "subsea features","Use","seafloor features" "substations","Use","buildings" "suburbs","Use","populated places" "subway stations","Use","railroad features" "sugar mills","Use","industrial sites" "sugar plantations","Use","agricultural sites" "sugar refineries","Use","industrial sites" "sulfur springs","Use","springs (hydrographic)" "sultanates","Scope Note","A state or country governed by a sultan. [Merriam-Webster Online]" "sultanates","Use","administrative areas" "summits","Use","mountain summits" "swamps","Use","wetlands" "swim clubs","Use","sports facilities" "swimming pools","Use","sports facilities" "switches (railroad)","Use","railroad features" "symphony halls","Use","performance sites" "synagogues","Use","religious facilities" "synclines","Related Terms","basins" "synclines","Broader Terms","folds (geologic)" "tabernacles","Use","religious facilities" "table mountains","Use","plateaus" "tablelands","Use","plateaus" "tablemounts (seafloor)","Use","seamounts" "tailing ponds","Use","disposal sites" "tailings","Use","disposal sites" "talus slopes","Use","physiographic features" "tank farms","Use","industrial sites" "tarns","Use","lakes" "taverns","Use","buildings" "tea plantations","Use","agricultural sites" "tectonic features","Narrower Terms","earthquake features" "tectonic features","Narrower Terms","faults" "tectonic features","Narrower Terms","folds (geologic)" "tectonic features","Broader Terms","physiographic features" "telecommunication features","Used for","antenna field sites" "telecommunication features","Used for","communication centers" "telecommunication features","Used for","radio stations" "telecommunication features","Used for","television stations" "telecommunication features","Used for","transmission lines" "telecommunication features","Related Terms","towers" "telecommunication features","Broader Terms","manmade features" "telescopes","Use","research facilities" "television stations","Use","telecommunication features" "temples","Use","religious facilities" "tennis clubs","Use","sports facilities" "tennis courts","Use","sports facilities" "terminals (transportation)","Use","transportation features" "terraces (physiographic)","Use","physiographic features" "territorial waters","Broader Terms","administrative areas" "territories","Use","countries, 1st order divisions" "test sites","Use","research areas" "theaters","Use","performance sites" "theatres","Use","performance sites" "thermal features","Used for","fumaroles" "thermal features","Used for","geysers" "thermal features","Used for","hot springs" "thermal features","Broader Terms","hydrographic features" "third-order administrative divisions","Use","countries, 3rd order divisions" "tidal creeks","Use","streams" "tidal flats","Use","wetlands" "tin mines","Use","mine sites" "tombs","Use","cemeteries" "tombs","Use","monuments" "tongues (seafloor)","Use","seafloor features" "topographic quadrangle regions","Use","map quadrangle regions" "towers","Used for","carillons" "towers","Used for","fire lookouts" "towers","Used for","pagodas" "towers","Related Terms","reference locations" "towers","Related Terms","telecommunication features" "towers","Related Terms","windmills" "towers","Scope Note","A structure designed primarily with a view to elevation, typically higher than wide. [USGS Circ 1048]" "towers","Broader Terms","manmade features" "town halls","Use","buildings" "towns","Use","cities" "township and range areas","Use","cadastral areas" "townships","Use","countries, 3rd order divisions" "tracts","Use","land parcels" "trade zones","Use","administrative areas" "trading posts","Use","buildings" "traffic circles","Use","roadways" "trailer parks (recreational)","Use","camps" "trailer parks (residential)","Use","residential sites" "trailheads","Use","trails" "trails","Used for","promenades" "trails","Used for","steps (manmade)" "trails","Used for","trailheads" "trails","Used for","walking paths" "trails","Related Terms","parks" "trails","Scope Note","A cleared path, beaten track, or improved surface, as through woods or wilderness, not usually trafficked by vehicles because of width, seasonal conditions, or access restrictions. [USGS Circ 1048]" "trails","Broader Terms","transportation features" "training centers","Use","educational facilities" "tramways","Use","railroad features" "transit facilities","Use","transportation features" "transmission lines","Scope Note","A system of wires that transmit electrical signals or electricity over distance. [USGS Circ 1048]" "transmission lines","Use","telecommunication features" "transportation features","Used for","air routes" "transportation features","Used for","caravan routes" "transportation features","Used for","corridors" "transportation features","Used for","crossings" "transportation features","Used for","depots" "transportation features","Used for","ferries" "transportation features","Used for","fords (crossings)" "transportation features","Used for","fuel depots" "transportation features","Used for","gates (manmade)" "transportation features","Used for","halting places (transportation)" "transportation features","Used for","highway maintenance sites" "transportation features","Used for","portages" "transportation features","Used for","resthouses" "transportation features","Used for","routes" "transportation features","Used for","ship tracks" "transportation features","Used for","stock routes" "transportation features","Used for","terminals (transportation)" "transportation features","Used for","transit facilities" "transportation features","Narrower Terms","airport features" "transportation features","Narrower Terms","aqueducts" "transportation features","Narrower Terms","bridges" "transportation features","Narrower Terms","cableways" "transportation features","Narrower Terms","locks" "transportation features","Narrower Terms","parking sites" "transportation features","Narrower Terms","pipelines" "transportation features","Narrower Terms","railroad features" "transportation features","Narrower Terms","roadways" "transportation features","Narrower Terms","trails" "transportation features","Narrower Terms","tunnels" "transportation features","Related Terms","canals" "transportation features","Related Terms","harbors" "transportation features","Related Terms","hydrographic structures" "transportation features","Broader Terms","manmade features" "treatment plants","Use","buildings" "treatment plants","Use","waterworks" "trees","Use","woods" "trenches (seafloor)","Use","ocean trenches" "trestles","Use","bridges" "triangulation stations","Use","reference locations" "tribal areas","Used for","indian reservations" "tribal areas","Used for","indian reserves" "tribal areas","Used for","reservations (indian)" "tribal areas","Broader Terms","administrative areas" "tributaries","Use","streams" "troughs (seafloor)","Use","ocean trenches" "trout farms","Use","fisheries" "tundras","Used for","Arctic land" "tundras","Scope Note","A treeless, level, or gently rolling plain characteristic of arctic or subarctic regions, having a permanently frozen subsoil, and usually supporting low growing vegetation such as lichens, mosses, and stunted shrubs. [USGS Circ 1048]" "tundras","Broader Terms","biogeographic regions" "tunnels","Used for","canal tunnels" "tunnels","Used for","railroad tunnels" "tunnels","Used for","road tunnels" "tunnels","Related Terms","canals" "tunnels","Scope Note","An underground or underwater passage. [USGS Circ 1048]" "tunnels","Broader Terms","transportation features" "turning basins","Use","harbors" "underground irrigation canals","Use","canals" "underground lakes","Use","caves" "underwater features","Use","seafloor features" "United States Government establishments","Use","buildings" "universities","Use","educational facilities" "uplands","Use","physiographic features" "upwellings","Use","hydrographic features" "urban areas","Use","cities" "urban parks","Use","parks" "UTM zones","Broader Terms","map regions" "valleys","Used for","forks (physiographic features)" "valleys","Used for","glens" "valleys","Used for","hanging valleys" "valleys","Used for","hollows" "valleys","Used for","median valleys" "valleys","Used for","shelf valleys (seafloor)" "valleys","Narrower Terms","canyons" "valleys","Related Terms","arroyos" "valleys","Related Terms","basins" "valleys","Related Terms","gaps" "valleys","Related Terms","seafloor features" "valleys","Scope Note","An elongated depression in the Earth's surface that generally slopes from one end to the other. [USGS Circ 1048]" "valleys","Broader Terms","physiographic features" "vegetation","Use","biogeographic regions" "veterinary facilities","Use","medical facilities" "viaducts","Use","bridges" "village squares","Use","parks" "villages","Use","populated places" "villas","Use","residential sites" "vineyards","Use","agricultural sites" "visitor centers","Use","buildings" "vistas","Broader Terms","parks" "volcanic features","Used for","crater lakes" "volcanic features","Used for","dykes (geologic)" "volcanic features","Narrower Terms","lava fields" "volcanic features","Narrower Terms","volcanoes" "volcanic features","Broader Terms","physiographic features" "volcanoes","Related Terms","craters" "volcanoes","Related Terms","mountains" "volcanoes","Broader Terms","volcanic features" "wadi bends","Use","arroyos" "wadi junctions","Use","arroyos" "wadi mouths","Use","arroyos" "wadis","Use","arroyos" "walking paths","Use","trails" "walls","Use","buildings" "warehouses","Use","buildings" "warehouses","Use","storage structures" "washes","Use","arroyos" "waste disposal sites","Use","disposal sites" "water bodies","Use","hydrographic features" "water mills","Use","hydrographic structures" "water plants","Use","waterworks" "water pumping stations","Use","pipelines" "water tanks","Use","storage structures" "water treatment plants","Use","waterworks" "water wells","Use","wells" "water works","Use","waterworks" "watercourses","Use","streams" "waterfalls","Used for","cascades" "waterfalls","Used for","cataracts" "waterfalls","Used for","falls" "waterfalls","Scope Note","A vertical or nearly vertical descent of water over a step or ledge in the bed of a river. [USGS Circ 1048]" "waterfalls","Broader Terms","rivers" "waterholes","Use","hydrographic features" "watersheds","Use","drainage basins" "waterworks","Used for","filter plants" "waterworks","Used for","filtration plants" "waterworks","Used for","sewage treatment plants" "waterworks","Used for","treatment plants" "waterworks","Used for","water plants" "waterworks","Used for","water treatment plants" "waterworks","Used for","water works" "waterworks","Related Terms","disposal sites" "waterworks","Related Terms","pipelines" "waterworks","Broader Terms","hydrographic structures" "weather stations","Use","research facilities" "weirs","Use","dam sites" "wells","Used for","oil wells" "wells","Used for","water wells" "wells","Related Terms","hydrographic structures" "wells","Related Terms","mine sites" "wells","Related Terms","oil fields" "wells","Related Terms","windmills" "wells","Scope Note","A pit or hole dug or bored into the Earth for the extraction of oil, water, other fluids or gases. [USGS Circ 1048]" "wells","Broader Terms","manmade features" "wetlands","Used for","backwaters" "wetlands","Used for","bayous" "wetlands","Used for","bogs" "wetlands","Used for","cienagas" "wetlands","Used for","fens" "wetlands","Used for","forested wetlands" "wetlands","Used for","intermittent wetlands" "wetlands","Used for","mangrove swamps" "wetlands","Used for","marshes" "wetlands","Used for","mires" "wetlands","Used for","mud flats" "wetlands","Used for","peat cutting areas" "wetlands","Used for","peatlands" "wetlands","Used for","quagmires" "wetlands","Used for","riparian areas" "wetlands","Used for","salt marshes" "wetlands","Used for","sloughs" "wetlands","Used for","slues" "wetlands","Used for","swamps" "wetlands","Used for","tidal flats" "wetlands","Related Terms","bays" "wetlands","Related Terms","estuaries" "wetlands","Related Terms","guts" "wetlands","Related Terms","lakes" "wetlands","Related Terms","playas" "wetlands","Related Terms","streams" "wetlands","Scope Note","An area that is saturated by surface or ground water with vegetation adapted for life under those soil conditions, as swamps, bogs, fens, marshes, and estuaries. [EPA Terms of Environment]" "wetlands","Broader Terms","biogeographic regions" "whaling stations","Use","industrial sites" "wharves","Use","piers" "whirlpools","Use","hydrographic features" "wilderness areas","Use","parks" "wildlife areas","Use","reserves" "wildlife refuges","Use","reserves" "wildlife reserves","Use","reserves" "windmill power generation sites","Use","power generation sites" "windmills","Related Terms","towers" "windmills","Related Terms","wells" "windmills","Scope Note","A mill or other machine that runs on the energy generated by a wheel of adjustable blades or flats rotated by the wind. [USGS Circ 1048]" "windmills","Broader Terms","manmade features" "wineries","Use","commercial sites" "woods","Used for","coconut groves" "woods","Used for","groves" "woods","Used for","olive groves" "woods","Used for","palm groves" "woods","Used for","pine groves" "woods","Used for","trees" "woods","Broader Terms","forests" "wreck sites","Use","historical sites" "wrecking yards","Use","disposal sites" "wrecks","Use","historical sites" "yacht clubs","Use","recreational facilities" "youth centers","Use","recreational facilities" "youth facilities","Use","recreational facilities" "zip code areas","Use","postal areas" "zoological gardens","Use","parks" "zoos","Use","parks"