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1by Spitz, Frederick J.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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2by Modica, Edward“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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3Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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4by Barton, Cynthia, 1953-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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5by Hunchak-Kariouk, Kathryn“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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6by Cauller, Stephen J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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7by Barringer, Julia L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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8by Carleton, Glen B.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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9by Clawges, Rick M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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10by Nawyn, John P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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11by Buxton, Debra E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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12by Barton, Cynthia, 1953-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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13by Price, C. V.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
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14by Gordon, Alison D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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15by Rosman, Robert“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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16by Voronin, Lois M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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17Published 1996“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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18by Barringer, Julia L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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19by Storck, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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20by Nicholson, Robert S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book