1910
1:63k
1952
United States. Air Force
1:500k
1895
United States. War Department
1:634k
1952
United States. Air Force
1:500k
1862
L. Prang & Co.
1948
Hammond, C.S.
1:1m
1912
Rand McNally and Company
1:824k
1794
1846
Mitchell, Samuel Augustus
1:2m
1845
Tanner, Henry S.
1:2m