1952
United States. Air Force
1:500k
1932
C&GS
1:621k
1859
Petermann, August
1944
United States. Department of Commerce
1:500k
1944
United States. Department of Commerce
1:500k
1939
Rand McNally and Company
1:1m
1874
Asher & Adams
1:1m
1875
Asher & Adams
1:1m
1940
Rand McNally and Company
1:1m
1901
Murray-Aaron, Eugene, 1852-1941.
1:1m