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By: Frick, Childs, - Taylor, Beryl E.Edition:Publication info: New York, N.Y, American Museum of Natural History, [1971]Volume: no. 2444Series:Holding Institution: American Museum of Natural History LibrarySubjects: Agate Region (Sioux County) Camelidae, Fossil Classification History Mammals, Fossil Michenia agatensis Miocene Nebraska Paleontology Protolabis West (U.S.)BHL Collections: