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1Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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2Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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3by Belitz, Kenneth“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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4by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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5Published 2000“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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6by Watts, Kenneth R.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2000
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7by Butler, David L. (David Louis), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 2001
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8by Chafin, Daniel T.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2003
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9by Stevens, Michael R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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10Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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11by Leib, Kenneth J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2008
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12by Richards, Rodney J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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13by Watts, Kenneth R.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2000
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14by Moore, Jennifer L.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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15by Elliot John G. (John Grant), 1951-“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
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16by Elliott, John G. (John Grant), 1951-“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1989
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17by Mueller, David K.“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1991
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