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By: Gaffney, Eugene S. - Hiatt, Robert.Edition:Publication info: New York, N.Y, American Museum of Natural History, [1971]Volume: no. 2443Series:Holding Institution: American Museum of Natural History LibrarySubjects: Cretaceous Glendive Region Montana Paleontology Reptiles, Fossil Stygiochelys estesi Turtles, FossilBHL Collections: