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1“...United States Department of the Interior, Geological Survey,...”
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2by Weir, Gordon W. (Gordon Whitney), 1922-2011, Greene, Robert C., Simmons, George Clarke, 1923-“...United States Department of the Interior, Geological Survey,...”
Published 1965
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3by Weir, Gordon W. (Gordon Whitney), 1922-2011, Gualtieri, J. L. (James L.), 1924-, Schlanger, Seymour O. (Seymour Oscar), 1927-1990“...United States Department of the Interior, Geological Survey,...”
Published 1968
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4“...United States Department of the Interior, Geological Survey,...”
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Government Document eBook