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1Published 1977“...Dept. of the Interior, Geological Survey ;...”
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2Published 1979“...Dept. of the Interior, Geological Survey,...”
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3Published 1979“...Dept. of the Interior, Geological Survey,...”
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4by Walker, George Walton, 1921-“...Dept. of the Interior, Geological Survey ;...”
Published 1979
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5Published 1980“...Dept. of the Interior, Geological Survey,...”
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6by Sammel, Edward A.“...Dept. of the Interior, Geological Survey ;...”
Published 1980
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7by Crandell, Dwight R. (Dwight Raymond), 1923-2009“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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8by Imlay, Ralph W. (Ralph Willard), 1908-1989“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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9by MacLeod, Norman S.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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10Published 1981“...U.S. Department of the Interior, Geological Survey ;...”
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11by Shulters, M. V., 1950-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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12by Thayer, Thomas P., 1907-2004“...U.S. Dept. of the Interior, geological Survey :...”
Published 1981
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13by Sammel, Edward A.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1981
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14by Rytuba, James J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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15
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16by Hietanen, Anna Martta, 1909-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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17by Gray, Floyd“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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18by McDougall, Kristin A.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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19by Clarke, S. H.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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20by Walker, George Walton, 1921-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book