1903
Rand McNally and Company
1:824k
1884
Mitchell, Samuel Augustus Jr.
1:1m
1924
Rand McNally and Company
1886
Colton, G.W.
1:2m
1873
Gray, O.W.
1:2m
1879
U.S. General Land Office
1:760k
1898
U.S. General Land Office
1:760k
1878
Cram, George Franklin
1:32k
1889
Rand McNally and Company
1:1m
1885
Bradstreet Company
1:7m