1876
Gillespie, George Lewis 18..-....; États-Unis. Corps of Engineers
1:2m
1881
Heubach, Emil
1:750k
1871
Geological Survey of the Territories (U.S.)
1:634k
1965
1:250k
1958
1:250k
1958
1:250k
1958
1:250k
1958
1:250k
1958
1:250k
1955
1:250k
1954
1:250k
1954
1:250k
1948
1:250k