1956
1:63k
1968
1:24k
1966
1:24k
1951
United States. Air Force
1:500k
1959
1:24k
1952
United States. Air Force
1:500k
1951
United States. Air Force
1:500k
1929
Ford Motor Company
1:500k
1944
United States. Department of Commerce
1:500k
1932
C&GS
1:621k