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1by Carswell, William J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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2Published 1980“...U.S. Dept. of the Interior, Geological Survey,...”
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3by Pabst, Marilyn E.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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4by Dunlap, L. E.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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5by Spruill, T. B.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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6by Gogel, Tony“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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7by Spinazola, Joseph M.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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8by Hauth, Leland D.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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9by Kenny, J. F.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1983
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10by Dunlap, L. E.“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1985
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11by Dunlap, L. E.“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1984
Government Document Book -
12by Dunlap, L. E.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1983
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13by Clement, Ralph W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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14Published 1983“...U.S. Dept. of the Interior, Geological Survey ;...”
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15by Kume, Jack“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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16by Hart, Robert J.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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17by Livingston, Russell K.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1984
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18by Spruill, T. B.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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19by Pope, Larry M.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1985
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20by Dunlap, L. E.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
Government Document Book