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1by Crandell, Dwight R. (Dwight Raymond), 1923-2009“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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2by Imlay, Ralph W. (Ralph Willard), 1908-1989“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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3by MacLeod, Norman S.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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4by Shulters, M. V., 1950-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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5by Thayer, Thomas P., 1907-2004“...U.S. Dept. of the Interior, geological Survey :...”
Published 1981
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6by Sammel, Edward A.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1981
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7by Rytuba, James J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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8
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9by Hietanen, Anna Martta, 1909-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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10by Gray, Floyd“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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11by McDougall, Kristin A.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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12by Clarke, S. H.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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13by Walker, George Walton, 1921-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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14Published 1981“...U.S. Dept. of the Interior, Geological Survey,...”
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15by Adam, David P.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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16by Rite, Alan“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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17by Robison, J. H.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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18by Gray, Floyd“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1982
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19by Lee, W. H. (William Hayes), 1940-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
Government Document Book -
20by Walker, George Walton, 1921-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1982
Government Document Book