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  1. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. Bulletin of the AMNH ; v. 146, article 4
    By: Delson, Eric. - Wood, Horace Elmer, 1901-
    Publication info: New York : [American Museum of Natural History] 1971
    Contributed by: American Museum of Natural History Library
    Subjects: Eocene  Johnson County  Mammals, Fossil  Paleontology  Powder River Basin (Wyo. and Mont.)  Wyoming  
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  2. High-level strata containing early Miocene mammals on the Bighorn Mountains, Wyoming. American Museum novitates ; no. 2490
    By: Darton, Nelson Horatio, 1865-1948. - Love, J. D. (John David), 1913- - McKenna, Malcolm C.
    Publication info: New York, N.Y. : American Museum of Natural History 1972
    Contributed by: American Museum of Natural History Library
    Subjects: Bighorn Mountains (Wyo. and Mont.)  Geology  Geology, Stratigraphic  Johnson County  Mammals, Fossil  Miocene  Paleontology  Wyoming  
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  3. Upper Kinkaid (Mississippian) microfauna from Johnson County, Illinois,
    By: Cooper, Chalmer L.
    Publication info: Urbana,1947.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Illinois  Johnson County  Mississippian  Paleontology  
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