Digital Maps &
Digital Maps and Geospatial Data | Princeton University
State of Idaho
United States. General Land Office
[Washington, D.C.] : U.S. General Land Office, 1909.
Relief shown by shading. Shows reclamation projects and "irrigation - Casey Act." "Andrew B. Graham Co., Lithographers." Includes 4 insets.
Princeton: Historic Map Division, Special Collections, Firestone Library