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By: Sheldon, Harold P. (Harold Pearl), - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife ServiceEdition:Publication info: Washington, D.C, U.S. Dept. of the Interior, Fish and Wildlife Service, 1939Volume: no.126Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Sheldon, Harold P. (Harold Pearl), - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife ServiceEdition:Publication info: Washington, D.C, U.S. Dept. of the Interior, Fish and Wildlife Service, 1938Volume: no.108Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: