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1by Hickman, R. Edward“...U.S. Geological Survey ;...”
Published 1999
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2
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3by Reed, Timothy J.“...U.S. Geological Survey ;...”
Published 1995
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4by Lacombe, Pierre (Pierre J.)“...U.S. Geological Survey ;...”
Published 1996
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5
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6Published 2002“...U.S. Geological Survey,...”
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7
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8by Spitz, Frederick J.“...U.S. Geological Survey,...”
Published 2007
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9by Bonin, Jennifer L.“...U.S. Geological Survey,...”
Published 2006
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10by Spitz, Frederick J.“...U.S. Geological Survey,...”
Published 2009
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11by Nawyn, John P.“...U.S. Geological Survey,...”
Published 1998
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12
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13
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14by Hickman, R. Edward“...U.S. Geological Survey,...”
Published 1995
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15by Kozinski, Jane“...U.S. Geological Survey,...”
Published 1995
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16
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20by Szabo, Zoltan, 1959-“...U.S. Geological Survey,...”
Published 1997
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