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1Published 1987“...The Survey ;...”
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2Published 1986“...The Survey ;...”
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3Published 1987“...The Survey,...”
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4Published 1990“...The Survey ;...”
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5Published 1990“...The Survey ;...”
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6
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7Published 1990“...U.S. Geological Survey ;...”
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8Published 1993“...U.S. Geological Survey ;...”
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9
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10“...U.S. Geological Survey,...”
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11by Epstein, Jack Burton, 1935-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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12by Epstein, Jack Burton, 1935-“...Department of the Interior, U.S. Geological Survey,...”
Published 1984
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13by Epstein, Jack Burton, 1935-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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14“...U.S. Department of the Interior, U.S. Geological Survey,...”
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15by Epstein, Anita G., 1937-, Epstein, Jack Burton, 1935-, Spink, Walter J., Jennings, D. S. (David Stout), 1885-“...United States Department of the Interior, Geological Survey,...”
Published 1967
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