1873
Wheeler, G.M.
1:507k
1873
Wheeler, G.M.
1:507k
1873
Wheeler, G.M.
1:507k
1871
Union Pacific Railroad Company
1860
Mitchell, Samuel Augustus
1:4m
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
1873
Wheeler, G.M.
1:507k
1876
Wheeler, G.M.
1:1m