MapPreliminary map no.2 of the country surveyed in 1872 and 1873. Available also through the Library of Congress Web site as a raster image. 2 copies.
- Contributor: Geological and Geographical Survey of the Territories (U.S.) - Thompson, A. H. (Almon Harris) - Powell, John Wesley - Bishop, Francis Marion - Dellenbaugh, Frederick Samuel - Jones, S. V.
- Date: 1872