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1Published 1900“...U.S. Geological Survey ;...”
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2Published 1987“...U.S. Geological Survey :...”
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3Published 1989“...U.S. Geological Survey ;...”
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4Published 1995“...U.S. Geological Survey,...”
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5by Norris, Ronald L. (Ronald Lee)“...U.S. Geological Survey,...”
Published 1973
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6by Norris, Ronald L. (Ronald Lee)“...U.S. Geological Survey,...”
Published 1973
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10by Norris, Ronald L. (Ronald Lee)“...U.S. Geological Survey,...”
Published 1975
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11by Norris, Ronald L. (Ronald Lee)“...U.S. Geological Survey,...”
Published 1975
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14by Norris, Ronald L. (Ronald Lee)“...U.S. Geological Survey,...”
Published 1973
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17by Weir, Gordon W. (Gordon Whitney), 1922-2011“...U.S. Geological Survey,...”
Published 1979
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