- United States. General Land Office
- University of Illinois at Urbana-Champaign, University Library
Shows lead and copper regions and 6 and 15 mile limits of land grant railroads. 56 x 38 cm.; 1 map, colored. Ca. 1:1,200,000. [s.l.] : General Land Office, 1866. (Phila[delphia] : Bowen & Co. lith.).