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By: United States. Congress. Senate. Committee on Conservation of National Resources. - United States. Congress. Senate. Committee on Conservation of National Resources. - Dixon, Joseph M. - United States. Congress (61st, 2nd session : 1909-1910). SenateEdition:Publication info: Washington, Govt. print. off, 1910Volume:Series:Holding Institution: Library of CongressSubjects:BHL Collections: