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1by Bybell, Laurel M.“...U.S. Geological Survey bulletin ;...”
Published 1985
Government Document Book -
2by Nelson, Arthur E. (Arthur Edward), 1922-“...U.S. Geological Survey bulletin ;...”
Published 1985
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3by Nelson, Arthur E. (Arthur Edward), 1922-“...U.S. Geological Survey bulletin ;...”
Published 1988
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4by Markewich, Helaine W.“...U.S. Geological Survey bulletin ;...”
Published 1994
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5
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6by Nelson, Arthur E. (Arthur Edward), 1922-“...U.S. Geological Survey bulletin ;...”
Published 1985
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7by Nelson, Arthur E. (Arthur Edward), 1922-“...U.S. Geological Survey bulletin ;...”
Published 1988
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8
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9by Peper, John D.“...U.S. Geological Survey bulletin ;...”
Published 1991
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10Published 1991“...U.S. Geological Survey bulletin ;...”
Government Document Book