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  • Map

    Report on the geology and resources of the Black Hills of Dakota : with atlas

    At head of title: Department of the Interior. U.S. geographical and geological survey of the Rocky Mountain region. J.W. Powell in charge. Atlas has special t.p.: Topographical and geological atlas of the Black Hills ... to accompany the report of Henry Newton ... New York, J. Bien, 1879. Contains Henry Newton's writing: Geology of the Black Hills of Dakota, and Walter P. Jenney's Mineral ...

    • Contributor: Geographical and Geological Survey of the Rocky Mountain Region (u.s.) - Newton, Henry - Jenney, Walter Proctor
    • Date: 1880
  • Map

    Map of Southwestern Colorado

    Insets: Railroad systems reaching Durango [from Denver, Salt Lake City, Albuquerque, and Phoenix] -- Plat of Needle Mountain mines -- Plat of Durango and surroundings -- Plat of mines at La Plata Mountains, California Mining District -- Plat of San Juan Co., Utah. Available also through the Library of Congress Web site as a raster image. Includes land districts, Indian reservations, railroads, irrigation canals, ...

    • Contributor: Fischer, Emil
    • Date: 1893