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1“...United States Department of the Interior, Geological Survey,...”
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2by Berry, Edward Wilber, 1875-1945“...United States Department of the Interior, Geological Survey,...”
Published 1930
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3by Englund, Kenneth John, 1923-“...United States Department of the Interior, Geological Survey,...”
Published 1968
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4by Watkins, Joel S., 1932-2016“...United States Department of the Interior, Geological Survey,...”
Published 1964
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5by Glenn, L. C. (Leonidas Chalmers), 1871-1951“...Department of the Interior, United States Geological Survey,...”
Published 1906
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Government Document eBook