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1by Ottke, Doug“...U.S. Geological Survey,...”
Published 2000
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Government Document Thesis eBook -
2by Parliman, D. J.“...U.S. Geological Survey,...”
Published 1983
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3
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4by Caskey, B. J. (Brian J.)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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5by LeHuray, Anne P.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1984
Government Document Thesis Microform Book -
6by Dague, Barbara J.“...Department of the Interior, U.S. Geological Survey,...”
Published 1985
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