1910
1:250k
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
1852
Stansbury, Howard
1:240k
1943
United States. Office of War Information
1:1m
1859
Simpson, J.H.
1879
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k