1901
U.S. Geological Survey
1:250k
1886
TISSANDIER, Albert.
1861
Gunnison, J.W.
1:760k
1893
Wood Brothers
1:3m
1935
White, Ruth Taylor
1924
[Tucson] : Arizona Bureau of mines
1934
Leahy, J.F.
1950
Bloodgood, Don
1883
Cram, George Franklin
1:2m
1987
Raven Maps and Imaging
1:550k