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1by Asbury, Clyde E. (Clyde Ellis), 1950-“...U.S. Geological Survey ;...”
Published 1997
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3by Gonthier, Gerard J. (Gerard Joseph), 1962-“...U.S. Geological Survey,...”
Published 2007
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4by Musser, Jonathan W.“...U.S. Geological Survey,...”
Published 2007
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5by Cherry, Gregory S.“...U.S. Geological Survey,...”
Published 2007
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6by Cherry, Gregory S.“...U.S. Geological Survey,...”
Published 2006
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7by Cherry, Gregory S.“...U.S. Geological Survey,...”
Published 2007
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8by Stockdon, Hilary F.“...U.S. Geological Survey,...”
Published 2007
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9by Chapman, M. J. (Melinda J.)“...U.S. Geological Survey,...”
Published 1997
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10by Chapman, M. J. (Melinda J.)“...U.S. Geological Survey,...”
Published 1997
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11by Stricker, Virginia“...U.S. Geological Survey,...”
Published 1983
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12
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13by McConnell, James B.“...U.S. Geological Survey,...”
Published 1987
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14
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15by Radtke, Dean B.“...U.S. Geological Survey,...”
Published 1986
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16by Carter, R. F. (Robert F.), 1916-“...U.S. Geological Survey,...”
Published 1983
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17by Sanders, C. L. (Curtis L.)“...U.S. Geological Survey,...”
Published 1990
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19by Chapman, M. J. (Melinda J.)“...U.S. Geological Survey,...”
Published 1991
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