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1by Weaver, J. Curtis“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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2by Walters, Douglas A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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3by Bales, Jerad“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
Government Document Book -
4by Pope, Benjamin F.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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5by Cardinell, Alex P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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6by Winner, M. D., Jr“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1986
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8by Garrett, Ronald G. (Ronald Gary)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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9by Hill, Catherine L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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10by Pomeroy, John S., 1929-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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11by Trapp, Henry“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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12Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
13by Caldwell, William S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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14by Mason, Robert R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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15by Simmons, Clyde E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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16Published 1993“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
17by Cardinell, Alex P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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18by Pope, B. F.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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19by Bales, Jerad“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
Government Document Microform Book -
20by Davenport, Marjorie S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
Government Document Microform Book