1955
1:24k
1919
1:63k
1956
Shell Oil Company
1:190k
1951
Shell Oil Company
1:190k
1956
1:250k
1949
1:250k
1953
United States. Air Force
1:500k
1952
United States. Air Force
1:500k
1895
United States. War Department
1:634k
1951
United States. Air Force
1:500k