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1by Baum, Rex L.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1996
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2Published 2011“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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3by Clark, J. Robert“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1984
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4Published 1987“...U.S. Dept. of the Interior, Geological Survey,...”
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5by Olson, J. C. (Jerry Chipman), 1917-2013“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1988
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6Published 1987“...U.S. Dept. of the Interior, Geological Survey :...”
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7by Madole, Richard F., 1936-“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1987
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8by Toulmin, Priestley“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
Government Document Book