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    <title>U.S. Geological Survey</title>
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    <link href="http://www.nwrc.usgs.gov/techrpt/sta28.pdf" rel="documentation"/>
    <author>
      <name>Rintze Zelle</name>
      <uri>http://twitter.com/rintzezelle</uri>
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    <contributor>
      <name>Sebastian Karcher</name>
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    <category field="geology"/>
    <updated>2012-10-25T21:04:09+00:00</updated>
    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
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