1873
Wheeler, G.M.
1:507k
1873
Wheeler, G.M.
1:507k
1873
Wheeler, G.M.
1:507k
1943
United States. Office of War Information
1:1m
1879
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k
1861
Beckwith, E.G.
1:760k
1876
Wheeler, G.M.
1:1m
1878
Cram, George Franklin
1863
Weekly Dispatch; Weller, Edward, 1819-1884
1:100k
1866
U.S. General Land Office
1:1m