1931
Mora, Jo (1876-1947)
1940
Lindgren Brothers
1882
Dutton, Clarence E. (Clarence Edward), 1841-1912
1:250k
1945
United States. Department of Commerce
1:500k
1879
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k
1873
Wheeler, G.M.
1:507k
1886
TISSANDIER, Albert.
1893
Wood Brothers
1:3m
1924
[Tucson] : Arizona Bureau of mines
1934
Leahy, J.F.