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1by Wang, Bronwen“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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2by Dearborn, Larry L.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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3by Brabets, Timothy P.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1987
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4by Glass, R. L.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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5by Patrick, Leslie“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
Government Document Book -
6by Glass, R. L.“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1988
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