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  1. By: McKenna, Malcolm C. - Love, J. D. (John David), (John David) - Darton, Nelson Horatio,
    Publication info: New York, N.Y, American Museum of Natural History, [1972]
    Holding Institution: American Museum of Natural History Library
    Subjects: Bighorn Mountains (Wyo. and Mont.)  Geology  Geology, Stratigraphic  Johnson County  Mammals, Fossil  Miocene  Paleontology  Wyoming  
  2. By: Cooper, Chalmer L. (Chalmer Lewis),
    Publication info: Urbana, 1947
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Illinois  Johnson County  Mississippian  Paleontology  
  3. By: Anderson, James. - Cache Corps of Discovery - Illinois. Natural History Survey Division - University of Illinois at Urbana-Champaign. Institute of Natural Resource Sustainability.
    Publication info: [Champaign, Ill], Illinois Natural History Survey, [2010?]
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Illinois  Johnson County  Wild flowers