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By: Emry, Robert J.Edition:Publication info: Washington, Smithsonian Institution Press, 1975Volume: no.25 (1975)Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Fremont Co Geology, Stratigraphic Paleontology Tertiary WyomingBHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection