1966
O'Brien, Emmett J
1:63k
1897
Rand McNally and Company
1:1m
1879
U.S. General Land Office
1:950k
1879
Mahon, Charles
1:634k
1875
Cram Atlas Company
1:1m
1870
Froiseth, B.A.M.
1866
Holdredge, Sterling M.
1:3m
1866
U.S. General Land Office
1:1m
1883
Cram, George Franklin
1:2m
1878
Powell, John Wesley, 1834-1902.
1:630k