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    <titleInfo>
      <title>ZIP Code Boundaries, United States (Q4 2012)</title>
    </titleInfo>
    <name type="corporate">
      <namePart>TTG, Inc.</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>
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      <extent>41.687</extent>
      <digitalOrigin>born digital</digitalOrigin>
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    <language>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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    <abstract lang="eng" displayLabel="Abstract">This polygon shapefile contains zip code boundaries for the United States. Data are valid from October to December, 2012. Attributes included in the data are location, area/perimeter, county names, FIPS and USPS codes, and alternate names. These data are updated quarterly using the latest feeds from the U.S. Postal Service with additional sources being used to cross-check the data.</abstract>
    <abstract lang="eng" displayLabel="Purpose">This layer provides zip code data for view and analysis in GIS and interactive web mapping applications.</abstract>
    <note lang="eng" displayLabel="Preferred citation">TTG, Inc. (2013). ZIP Code Boundaries, United States (Q4 2012). TTG, Inc. Available at: http://purl.stanford.edu/qs263yq6177</note>
    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Zip codes</topic>
    </subject>
    <subject authority="geonames" lang="eng">
      <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/6252001/">United States</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="boundaries">Boundaries</topic>
    </subject>
    <subject>
      <cartographics>
        <scale>Scale not given.</scale>
        <coordinates>W 178&#xB0;13&#x2B9;31&#x2BA;--W 64&#xB0;33&#x2B9;55&#x2BA;/N 71&#xB0;20&#x2B9;3&#x2BA;--N 17&#xB0;40&#x2B9;26&#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">2013</dateIssued>
      <dateValid encoding="w3cdtf">2012</dateValid>
      <place>
        <placeTerm type="text">Bedford, MA,</placeTerm>
      </place>
      <publisher>TTG, Inc.</publisher>
    </originInfo>
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      <url usage="primary display">https://purl.stanford.edu/qs263yq6177</url>
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        <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:qs263yq6177</recordIdentifier>
    </recordInfo>
    <extension displayLabel="geo">
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        <rdf:Description rdf:about="http://purl.stanford.edu/qs263yq6177">
          <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>-178.22529 17.673931</gml:lowerCorner>
              <gml:upperCorner>-64.565193 71.3342</gml:upperCorner>
            </gml:Envelope>
          </gml:boundedBy>
        </rdf:Description>
      </rdf:RDF>
    </extension>
    <relatedItem type="host">
      <titleInfo>
        <title>5-digit zip code boundaries for the United States</title>
      </titleInfo>
      <location>
        <url>https://purl.stanford.edu/rz239nx1054</url>
      </location>
      <typeOfResource collection="yes"/>
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    <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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