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2by Ranalli, Anthony J.“...U.S. Geological Survey,...”
Published 2008
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3
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4by Butler, David L. (David Louis), 1946-“...U.S. Geological Survey,...”
Published 1996
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5by Minges, Donald R.“...U.S. Geological Survey,...”
Published 1983
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6by Ruddy, Barbara C.“...U.S. Geological Survey,...”
Published 1984
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7by Elliott, John G. (John Grant), 1951-“...U.S. Geological Survey,...”
Published 1986
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8by Butler, David L. (David Louis), 1946-“...U.S. Geological Survey,...”
Published 2001
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9by Mueller, David K.“...U.S. Geological Survey,...”
Published 1991
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10by Elliott, John G. (John Grant), 1951-“...U.S. Geological Survey,...”
Published 1988
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11by Butler, David L. (David Louis), 1946-“...U.S. Geological Survey,...”
Published 1991
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12by Butler, David L. (David Louis), 1946-“...U.S. Geological Survey,...”
Published 1996
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13by Walton-Day, Katherine“...U.S. Geological Survey,...”
Published 2000
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14by Elliot John G. (John Grant), 1951-“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
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15by Elliott, John G. (John Grant), 1951-“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1989
Government Document Book -
16by Mueller, David K.“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1991
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17Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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18Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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19by Belitz, Kenneth“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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20by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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