1984
1:24k
1932
C&GS
1:621k
1859
Petermann, August
1944
United States. Department of Commerce
1:500k
1944
United States. Department of Commerce
1:500k
1853
Corps of Topographical Engineers
1:600k
1933
Mid-West Map Company
1:1m
1936
Rand McNally & Company
1935
White, Ruth Taylor
1958
United States Post Office Department
1:2m