1924
Rand McNally and Company
1898
U.S. General Land Office
1:760k
1885
Bradstreet Company
1:7m
1883
Cram, George Franklin
1:2m
1878
Cram, George Franklin
1873
Gray, O.W.
1:2m
1879
U.S. General Land Office
1:760k
1884
Mitchell, Samuel Augustus Jr.
1:1m
1889
Rand McNally and Company
1:2m
1932
Hader, Elmer Stanley (1889-1973