1860
1871
Geological Survey of the Territories (U.S.)
1:634k
1914
Marshall, R. B.; Tatum, Sledge; Baldwin, H. L. (jr.); United States Geological Survey
1:125k
1914
Washington : U.S.Geological Survey
1876
Stieler, Adolf
1892
Stieler, Adolf
1881
Heubach, Emil
1:750k
1876
Gillespie, George Lewis 18..-....; États-Unis. Corps of Engineers
1:2m
1874
Jones, William Albert 1841-1914
1:1m
1931
National Development Bureau
1:3m