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1by Peltz, Lorri A. (Lorri Ann), 1959-“...U.S. Geological Survey ;...”
Published 1991
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3by Stephens, Doyle W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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4“...United States Department of the Interior, Geological Survey,...”
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5“...U.S. Department of the Interior, U.S. Geological Survey,...”
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6“...U.S. Department of the Interior, U.S. Geological Survey,...”
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7“...U.S. Department of the Interior, U.S. Geological Survey,...”
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