1881
Hayden, F.V.
1:253k
1:21k
1866
U.S. General Land Office
1:1m
1897
Rand McNally and Company
1879
Mahon, Charles
1:634k
Holdredge, Sterling M.
1:3m
1878
Powell, John Wesley, 1834-1902.
1:630k
1987
Raven Maps and Imaging
1:500k
