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  1. 1
    Devils Tower National Monument: A History

    Devils Tower National Monument: A History by Mattison, Ray H., 1903-1980

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  2. 2
    The History of Badlands National Monument and the White River (Big) Badlands of South Dakota

    The History of Badlands National Monument and the White River (Big) Badlands of South Dakota by Grom, Robert A.; Mattison, Ray H., 1903-1980; Stockert, Joanne W. [Editor]

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