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
1936
Rand McNally & Company
1935
White, Ruth Taylor
1958
United States Post Office Department
1:2m
1944
State Farm Insurance Companies Travel Bureau
1:1m
1931
Clason Map Company
1:2m