1859
Petermann, August
1886
Colton, G.W.
1:2m
1873
Gray, O.W.
1:2m
1884
Mitchell, Samuel Augustus Jr.
1:1m
1876
U.S. General Land Office
1:760k
1903
Rand McNally and Company
1:824k
1924
Rand McNally and Company
1879
U.S. General Land Office
1:760k
1898
U.S. General Land Office
1:760k
1902
Fitch, Charles H.
1:500k