1878
U.S. General Land Office
1:760k
1856
Henn, Williams & Co.
1:780k
1906
Rand McNally and Company
1:1m
1924
Rand McNally and Company
1903
Rand McNally and Company
1:600k
1939
Rand McNally and Company
1:1m
1909
Cram, George Franklin
1:2m
1949
Shell Oil Company
1:1m
1927
National Map Company
1:2m
1948
Hammond, C.S.
1:2m