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Preliminary geological map of the Yellowstone National Park.
National Park Exhibit, 1972. DLC Available also through the Library of Congress Web site as a raster image. 1 map : col. ; 81 x 73 cm.
Contributor: Geological and Geographical Survey of the Territories (U.S.) Site: American Memory-cultural - Main Catalog Original Format: Map Date: 1878 View catalog record


















