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1by Caldwell, Rodney R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book -
2by Rinella, Frank A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book -
3by Anderson, Chauncey W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book -
4Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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5by Rounds, Stewart“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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6by Risley, John C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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7Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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8Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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9by Brocher, Thomas Mark, 1954-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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10by Kiilsgaard, Thor H.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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11Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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12by Bonn, Bernadine A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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13by Hinkle, Stephen R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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14by Personius, Stephen F.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1998
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15Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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16Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
17Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
18Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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19by McFarland, William D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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20by Hansen, R. Peder“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
Government Document Book