1896
1:125k
1941
Montana. State Highway Commission.
1:127k
1941
Montana. State Highway Commission.
1:127k
1951
United States. Air Force
1:500k
1957
Murphy, Phil H.
1875
Ludlow, William
1:760k
1881
Heubach, Emil
1:750k
1893
Union Pacific Railway Company.
1882
Cram, George Franklin
1:2m
1874
Asher & Adams
1:1m