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21Published 2012“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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22by Earnst, Susan Leigh, 1961-“...U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services,...”
Published 2004
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23Published 1993“...U.S. Dept. of the Interior, U.S. Geological Survey ; [Books and Open-File Reports Section],...”
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