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1Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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2by Conrads, Paul A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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3by Wilhelm, Lance J.“...[U.S. Dept. of the Interior, U.S. Geological Survey],...”
Published 1998
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4by Maluk, Terry L.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1999
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5by Reuber, Eric J.“...[U.S. Dept. of the Interior, U.S. Geological Survey],...”
Published 1999
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6Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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7Published 1999“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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8Published 1987“...[U.S. Dept. of the Interior], U.S. Geological Survey :...”
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9by McCartan, Lucy“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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10by Zalants, Michael G.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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11Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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12Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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13by Zalants, Michael G.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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14by Jackson, John C. (John Carl), 1959-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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15by Guimaraes, Wladmir B.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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16Published 1991“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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17by Vroblesky, Don A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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18by Gohn, Gregory S.“...U.S. Dept of the Interior, U.S. Geological Survey ;...”
Published 1992
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19by Bohman, Larry R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1992
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20by Reiss, Thomas E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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