1910
1:63k
1907
1:63k
1952
United States. Air Force
1:500k
1951
United States. Air Force
1:500k
1895
United States. War Department
1:634k
1889
Cram, George
1:815k
1948
Hammond, C.S.
1:1m
1794
1846
Mitchell, Samuel Augustus
1:2m
1845
Tanner, Henry S.
1:2m