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  1. By: Simpson, George Gaylord, - Silberling, Albert C.
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: Fort Union Formation  Jaws  Mammals, Fossil  Montana  Paleocene  Paleontology  Sweet Grass County  Teeth, Fossil
  2. By: Simpson, George Gaylord, - Scarritt, Horace S., - Granger, Walter, - Silberling, Albert C. - Thomson, Albert - Scarritt Expedition
    Publication info: New York City, The American Museum of Natural History, [1936]
    Holding Institution: American Museum of Natural History Library
    Subjects: Fort Union Formation  Jaws  Mammals, Fossil  Montana  Paleocene  Paleontology  Sweet Grass County  Teeth, Fossil
  3. By: Mac Intyre, Giles Ternan
    Publication info: New York, N.Y American Museum of Natural History [1962]
    Holding Institution: American Museum of Natural History Library
    Subjects: 56.9.743M  Carnivora, Fossil  Mammals, Fossil  Miacidae  Montana  Paleocene  Paleontology  Simpsonictis  Sweet Grass County