1901
U. S. Geological Survey
1:125k
1881
Hayden, F.V.
1:253k
1881
Hayden, F.V.
1:253k
1877
Wheeler, G.M.
1:253k
1952
United States. Air Force
1:500k
1879
Wheeler, G.M.
1:253k
1879
Wheeler, G.M.
1:253k
1873
Ruffner, E. H. (Ernest Howard)
1:500k
1878
Wheeler, G.M.
1:253k
1881
Hayden, F.V.
1:21k