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    <titleInfo>
      <title>Offshore Block Groups in the Gulf of Mexico, Fall 2012</title>
    </titleInfo>
    <name type="corporate">
      <namePart>Minerals Management Service</namePart>
      <role>
        <roleTerm authority="marcrelator" type="text">creator</roleTerm>
      </role>
    </name>
    <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre>
    <genre valueURI="http://rdvocab.info/termList/RDAContentType/1001" authority="rdacontent">cartographic dataset</genre>
    <typeOfResource>cartographic</typeOfResource>
    <typeOfResource>software, multimedia</typeOfResource>
    <physicalDescription>
      <form>Shapefile</form>
      <extent>0.131</extent>
      <digitalOrigin>born digital</digitalOrigin>
    </physicalDescription>
    <language>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
    </language>
    <abstract lang="eng" displayLabel="Abstract">This polygon dataset contains information that defines the block groups for the Gulf of Mexico Outer Continental Shelf Region. This layer includes data for fall quarter 2012.</abstract>
    <abstract lang="eng" displayLabel="Purpose">This layer is intended to assist users in locating and analyzing information on the Gulf of Mexico's offshore block groups and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.</abstract>
    <note lang="eng" displayLabel="Preferred citation">Hart Energy Publishing. (2012). Offshore Block Groups in the Gulf of Mexico, Fall 2012. Hart Energy Publishing. Available at: http://purl.stanford.edu/tx096gd0751.</note>
    <note displayLabel="Supplemental information">This release is intended to replace all previous datasets.</note>
    <note displayLabel="WGS84 Cartographics">This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.</note>
    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Oil wells</topic>
    </subject>
    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Gas wells</topic>
    </subject>
    <subject authority="geonames" lang="eng">
      <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/3523271/">Mexico, Gulf of</geographic>
    </subject>
    <subject>
      <temporal encoding="w3cdtf">2012</temporal>
    </subject>
    <subject authority="ISO19115TopicCategory">
      <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="utilitiesCommunication">Utilities and Communication</topic>
    </subject>
    <subject authority="ISO19115TopicCategory">
      <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="inlandWaters">Inland Waters</topic>
    </subject>
    <subject>
      <cartographics>
        <scale>Scale not given.</scale>
        <projection>EPSG::4269</projection>
        <coordinates>W 97&#xB0;14&#x2B9;20&#x2BA;--W 81&#xB0;10&#x2B9;12&#x2BA;/N 30&#xB0;17&#x2B9;21&#x2BA;--N 23&#xB0;46&#x2B9;51&#x2BA;</coordinates>
      </cartographics>
    </subject>
    <subject displayLabel="WGS84" authority="EPSG" valueURI="http://opengis.net/def/crs/EPSG/0/4326">
      <cartographics>
        <projection>EPSG::4326</projection>
      </cartographics>
    </subject>
    <originInfo>
      <dateIssued encoding="w3cdtf" keyDate="yes">2012</dateIssued>
      <dateValid encoding="w3cdtf">2012</dateValid>
      <place>
        <placeTerm type="text">San Diego, California, US</placeTerm>
      </place>
      <publisher>Hart Energy Publishing</publisher>
      <edition>1009 Update</edition>
    </originInfo>
    <location>
      <url usage="primary display">https://purl.stanford.edu/tx096gd0751</url>
    </location>
    <recordInfo>
      <languageOfCataloging>
        <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
      </languageOfCataloging>
      <recordContentSource>Stanford</recordContentSource>
      <recordOrigin>This record was translated from ISO 19139 to MODS v.3 using an xsl transformation.</recordOrigin>
      <recordIdentifier>edu.stanford.purl:tx096gd0751</recordIdentifier>
    </recordInfo>
    <extension displayLabel="geo">
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        <rdf:Description rdf:about="http://purl.stanford.edu/tx096gd0751">
          <dc:format>application/x-esri-shapefile; format=Shapefile</dc:format>
          <dc:type>Dataset#Polygon</dc:type>
          <gml:boundedBy>
            <gml:Envelope gml:srsName="EPSG:4326">
              <gml:lowerCorner>-97.238989 23.780775</gml:lowerCorner>
              <gml:upperCorner>-81.170106 30.289096</gml:upperCorner>
            </gml:Envelope>
          </gml:boundedBy>
        </rdf:Description>
      </rdf:RDF>
    </extension>
    <relatedItem type="host">
      <titleInfo>
        <title>Oil and gas wells GIS data : United States  Fall quarter 2012</title>
      </titleInfo>
      <location>
        <url>https://purl.stanford.edu/bp861dx8327</url>
      </location>
      <typeOfResource collection="yes"/>
    </relatedItem>
    <accessCondition type="useAndReproduction">These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.</accessCondition>
    <accessCondition type="copyright">Copyright ownership resides with the originator.</accessCondition>
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