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1by Walters, Kenneth L., 1921-2010“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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2by Lum, W. E., II (William E.)“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1983
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3by Turney, Gary L.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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4by Ebbert, J. C.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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5by Turney, Gary L.“...U.S. Dept. of Interior, Geological Survey ;...”
Published 1986
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6by Turney, Gary L.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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7by Drost, B. W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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8by Dion, N. P.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1987
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9by Bortleson, Gilbert Carl, 1940-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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10by Williams, John R., 1924-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1987
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11by Williams, John R., 1924-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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12by Sabol, Martha“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1988
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13by Prych, Edmund A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1988
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14by Lum, W. E., II (William E.)“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1986
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15by Sikonia, W. G. (William G.)“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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16by Cline, Denzel R.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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17by Embrey, S. S.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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18by Williams, John R., 1924-“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1989
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19by Cline, Denzel R.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
Government Document Book -
20Published 1989“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book