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1by Schalk, Gregg K.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1994
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2by Kelly, Brian P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
Government Document Book -
3by Kelly, Brian P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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4by Kelly, Brian P.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2006
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5“...U.S. Department of the Interior, U.S. Geological Survey,...”
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6“...U.S. Department of the Interior, U.S. Geological Survey,...”
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7by Christensen, Eric D., Harris, Thomas E. (Thomas Ermind), 1963-, Niesen, Shelly Lynn, 1973-“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2010
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8“...U.S. Department of the Interior, U.S. Geological Survey,...”
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9by Wilkison, Donald H.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2012
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10by Kelly, Brian P.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 1996
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11by Krempa, Heather M.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2015
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