• Map
    Radar mosaic, Yellowstone National Park, Wyoming. Scale not given. Accompanied by Dept. of the Interior news release: Radar probes geologic past of Yellowstone National Park. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1968
  • Map
    Upper Geyser Basin, Fire Hole River, Wyoming Territory. 1 inch equals about 500 feet. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey of the Territories (U.S.) - Hayden, F. V. (Ferdinand Vandeveer) - Hergesheimer, E. (Edwin)
    • Date: 1871
  • Map
    Preliminary geological map of the Yellowstone National Park. National Park Exhibit, 1972. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological and Geographical Survey of the Territories (U.S.) - Hayden, F. V. (Ferdinand Vandeveer)
    • Date: 1878