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    <titleInfo>
      <title>World River and Lake Centerlines, 1:50 million (2012)</title>
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    <name type="personal">
      <namePart>Patterson, Tom</namePart>
      <role>
        <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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    </name>
    <name type="corporate">
      <namePart>Kelso, Nathaniel Vaughn</namePart>
      <role>
        <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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    <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre>
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    <typeOfResource>software, multimedia</typeOfResource>
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    <abstract lang="eng" displayLabel="Abstract">This polyline shapefile depicts single-line drainages and lake centerlines worldwide ranked by relative importance. Includes name and line width attributes for creating tapered drainages. River data is primarily derived from the World Data Bank 2. All rivers received manual smoothing and position adjustments to fit shaded relief generated from SRTM Plus elevation data, which is more recent and (presumably) more accurate. Does not include intermittent rivers (e.g. large seasonal rivers in Australia draining to Lake Eyre playas). Rivers in northeastern Russia and parts of the Amazon basin have suspect alignments. These data are represented at 1:50,000,000 scale. This layer is part of the Natural Earth Collection (v.2.0.0).</abstract>
    <abstract lang="eng" displayLabel="Purpose">Natural Earth is a public domain map dataset available at 1:10, 1:50 and 1:110 million scales. Featuring tightly integrated vector and raster data, with Natural Earth you can make a variety of visually pleasing, well-crafted maps with cartography or GIS software.</abstract>
    <note lang="eng" displayLabel="Preferred citation">Kelso, N.V. and Patterson, T. (2012). World River and Lake Centerlines, 1:50 million (2012). Made with Natural Earth, online at http://www.naturalearthdata.com.</note>
    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Bodies of water</topic>
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    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Rivers</topic>
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    <subject authority="lcsh" lang="eng">
      <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Lakes</topic>
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    <subject authority="geonames" lang="eng">
      <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/6295630/">Earth (Planet)</geographic>
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      <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="inlandWaters">Inland Waters</topic>
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        <coordinates>W 165&#xB0;14&#x2B9;38&#x2BA;--E 176&#xB0;19&#x2B9;33&#x2BA;/N 73&#xB0;20&#x2B9;6&#x2BA;--S 50&#xB0;14&#x2B9;24&#x2BA;</coordinates>
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        <projection>EPSG::4326</projection>
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      <dateIssued encoding="w3cdtf" keyDate="yes">2012</dateIssued>
      <dateValid encoding="w3cdtf">2012</dateValid>
      <publisher>North American Cartographic Information Society</publisher>
      <edition>2.0.0</edition>
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      <url usage="primary display">https://purl.stanford.edu/fv761md9580</url>
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      <recordContentSource>Stanford</recordContentSource>
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      <recordIdentifier>edu.stanford.purl:fv761md9580</recordIdentifier>
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    <accessCondition type="useAndReproduction">This item is in the public domain.  There are no restrictions on use.</accessCondition>
    <accessCondition type="copyright">This work is in the Public Domain, meaning that it is not subject to copyright.</accessCondition>
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