1952
United States. Air Force
1:12k
1995
1:24k
1955
1:24k
1955
1:24k
1951
United States. Air Force
1:500k
1959
1:24k
1927
Rand McNally and Company
1952
United States. Air Force
1:500k
1952
United States. Air Force
1:500k
1895
United States. War Department
1:634k