1945
United States. Department of Commerce
1:500k
1879
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k
1886
TISSANDIER, Albert.
1893
Wood Brothers
1:3m
1924
[Tucson] : Arizona Bureau of mines
1934
Leahy, J.F.
1950
Bloodgood, Don
1883
Cram, George Franklin
1:2m
1938
Thomas Brothers
1905
U.S. General Land Office
