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1by Lewis, R. E. (Robert Edward), 1935-“...U.S. Geological Survey,...”
Published 1980
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2by Liszewski, Michael J.“...U.S. Geological Survey ;...”
Published 1992
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3by Reed, Michael F.“...U.S. Geological Survey ;...”
Published 1994
Government Document Microform Book -
4by Knobel, LeRoy L.“...U.S. Geological Survey ;...”
Published 1995
Government Document Microform Book -
5by Pittman, John R.“...U.S. Geological Survey ;...”
Published 1995
Government Document Microform Book -
6by Bartholomay, Roy C.“...U.S. Geological Survey ;...”
Published 1999
Government Document Microform Book -
7
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8by Greene, Michael R.“...U.S. Geological Survey ;...”
Published 1998
Government Document Microform Book -
9Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
10by Bartholomay, Roy C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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11by Orr, Brennon R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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12Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
13Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
14by Stone, M. A. J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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15by Bartholomay, Roy C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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16by Mann, Larry J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1994
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17by Mann, Larry J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1994
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18by Shakofsky, Stephanie“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
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19by Bartholomay, Roy C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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20by Kjelstrom, L. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
Government Document Book