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1Published 1984“...The Survey ;...”
Government Document Book -
2by Holnbeck, Stephen R.“...U.S. Geological Survey ;...”
Published 1993
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4by Chase, Katherine J.“...U.S. Geological Survey ;...”
Published 2006
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7by Parrett, Charles“...U.S. Geological Survey,...”
Published 1987
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13by Parrett, Charles“...U.S. Geological Survey,...”
Published 1997
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14
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15by Parrett, Charles“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
16by Parrett, Charles“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
Government Document Book -
17by Parrett, Charles“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
Government Document Book -
18by Parrett, Charles“...U.S. Dept. of the Interior Geological Survey ;...”
Published 1987
Government Document Book -
19by Parrett, Charles“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
Government Document Book -
20by Parrett, Charles“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
Government Document Book