<xs:element name="ADL_gazetteer_source_entry">
  <xs:annotation>
    <xs:documentation>Documentation for the contributor and the contributor's source(s) for the gazetteer entry</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="sourceID" type="xs:string">
        <xs:annotation>
          <xs:documentation>Unique identification number for the gazetteer source entry.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="sourceMnemonic"/>
      <xs:element name="sourceContributor">
        <xs:complexType>
          <xs:sequence>
            <xs:element ref="organizationName"/>
            <xs:element ref="contactName" minOccurs="0"/>
            <xs:element ref="contributorSite" minOccurs="0"/>
            <xs:element ref="contributorAddressSection"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element ref="sourceReference"/>
    </xs:sequence>
    <xs:attributeGroup ref="attributeSet1"/>
  </xs:complexType>
</xs:element>

<xs:element name="sourceID" type="xs:string">
  <xs:annotation>
    <xs:documentation>Unique identification number for the gazetteer source entry.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="sourceContributor">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="organizationName"/>
      <xs:element ref="contactName" minOccurs="0"/>
      <xs:element ref="contributorSite" minOccurs="0"/>
      <xs:element ref="contributorAddressSection"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="citation" type="xs:string">
  <xs:annotation>
    <xs:documentation>Enter a citation or description of the source used by the contributor for the data. Best practice is to use an established citation format.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="city" type="xs:string"/>

<xs:element name="contactName" type="xs:string">
  <xs:annotation>
    <xs:documentation>Name of position or person who can be contacted about the entry, now and in the future.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="contributorAddressSection">
  <xs:annotation>
    <xs:documentation>Address information for the contributor.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="streetAddress"/>
      <xs:element ref="city"/>
      <xs:element ref="stateProvince"/>
      <xs:element ref="postalCode" minOccurs="0"/>
      <xs:element ref="country" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="contributorSite">
  <xs:annotation>
    <xs:documentation>Network address and title for contributor's website</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="siteTitle"/>
      <xs:element ref="contributorURL"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="contributorURL" type="xs:anyURI">
  <xs:annotation>
    <xs:documentation>Network address for the contributor's website.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="country" type="xs:string"/>

<xs:element name="edition" type="xs:string"/>

<xs:element name="entryDate" type="xs:date">
  <xs:annotation>
    <xs:documentation>Date that the entry was first added to the gazetteer.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="organizationName" type="xs:string">
  <xs:annotation>
    <xs:documentation>Statement identifying the responsible organization.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="pages" type="xs:string">
  <xs:annotation>
    <xs:documentation>Specific page(s) within the source where the information is located.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="postalCode" type="xs:string"/>

<xs:element name="publisher" type="xs:string"/>

<xs:element name="referenceAuthor" type="xs:string">
  <xs:annotation>
    <xs:documentation>Author statement for the source (personal or organization). This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="referenceDate" type="xs:string">
  <xs:annotation>
    <xs:documentation>Use ISO 8601 standard date syntax. This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="referenceIdentifier" type="xs:string">
  <xs:annotation>
    <xs:documentation>ISBN, ISSN, or other identifier for the source.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="referenceURL" type="xs:anyURI">
  <xs:annotation>
    <xs:documentation>Network address for an online source.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="seriesIssue" type="xs:string">
  <xs:annotation>
    <xs:documentation>Volume and issue identification for a series item.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="seriesName" type="xs:string">
  <xs:annotation>
    <xs:documentation>If the source is part of a series (e.g., journal), enter series name.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="siteTitle" type="xs:string">
  <xs:annotation>
    <xs:documentation>Brief title for the contributor's website.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="sourceMnemonic" type="xs:string">
  <xs:annotation>
    <xs:documentation>Unique code for the contributor-source combination, in the form of ADL-1 or USGS-FGDC-1.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="sourceReference">
  <xs:annotation>
    <xs:documentation>Citation to the source of the gazetteer entry information.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="citation"/>
      <xs:element ref="referenceAuthor" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element ref="referenceDate" minOccurs="0"/>
      <xs:element name="ISBN" minOccurs="0">
        <xs:annotation>
          <xs:documentation>International Standard Book Number. This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="ISSN" minOccurs="0">
        <xs:annotation>
          <xs:documentation>International Standard Serial Number. This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="referenceURL" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="pages" type="xs:string" use="optional"/>
  </xs:complexType>
</xs:element>

<xs:element name="ISBN" minOccurs="0">
  <xs:annotation>
    <xs:documentation>International Standard Book Number. This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="ISSN" minOccurs="0">
  <xs:annotation>
    <xs:documentation>International Standard Serial Number. This duplicates the information in the citation. It is intended as an index to the citation.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="stateProvince" type="xs:string"/>

<xs:element name="streetAddress" type="xs:string">
  <xs:annotation>
    <xs:documentation>Postal delivery address.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="timeSourceID" type="xs:string">
  <xs:annotation>
    <xs:documentation>Unique identifier of the entry in the reference source (for programmatic link to the entry).</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:attributeGroup name="attributeSet1">
  <xs:attribute name="sourceID" type="xs:string" use="required"/>
  <xs:attribute name="entryDate" type="xs:date" use="required"/>
</xs:attributeGroup>