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1Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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2by Tysdal, Russell G.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1997
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3by Ott, Douglas S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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4by Bartholomay, Roy C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Microform Book -
5by Champion, Duane E.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1997
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6Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Government Document Microform Book -
7by Young, H. W. (Harold William), 1942-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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8by Personius, Stephen F.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1998
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9Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Government Document Microform Book -
10by Kleinkopf, M. Dean (Merlin Dean), 1926-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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11by Covington, H. R.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1979
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12by Goter, Susan K.“...U.S. Dept. of the Interior, U.S Geological Survey,...”
Published 1986
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13by Purdy, Terri L.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1986
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14by Low, Walton H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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15by Teasdale, Warren E.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1991
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16by Orr, Brennon R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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17by Newton, G. D. (Garth D.)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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18by Bultman, Mark W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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19Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
20Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book