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5by Drost, B. W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
Government Document Book -
6by Schurr, K. M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1994
Government Document Book -
7by Munn, M. D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
Government Document Microform Book -
8by Drost, B. W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
9by Thomas, B. E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Book -
10by Cox, Stephen E.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1999
Government Document Book -
11by Cox, Stephen E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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12Published 2005“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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13Published 2005“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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14by Bortleson, Gilbert Carl, 1940-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
Government Document Book