1944
United States. Department of Commerce
1:500k
1875
Asher & Adams
1:1m
1863
U.S. General Land Office
1:152k
1936
Rand McNally & Company
1958
United States Post Office Department
1:2m
1874
Asher & Adams
1:1m
1948
Shell Oil Company
1:1m
1924
Rand McNally and Company
1:1m
1874
Asher & Adams
1:1m
1931
Clason Map Company
1:2m