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1by Weaver, John E. (John Ernest), 1884-1966“...The University of Nebraska, Conservation and survey division,...”
Published 1941
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2by Weaver, John E. (John Ernest), 1884-1966“...The University of Nebraska, Conservation and survey division,...”
Published 1941
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3by Darland, Raymond W.“...University of Nebraska, Conservation and Survey Division,...”
Published 1945
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4by Weaver, John E. (John Ernest), 1884-1966“...University of Nebraska, Conservation and Survey Division,...”
Published 1951
Book -
5“...University of Nebraska, Conservation and Survey Division,...”
Government Document Book