1891
1:125k
1941
1:63k
1951
United States. Air Force
1:500k
1941
1:63k
1881
Wheeler, G.M.
1:253k
1883
(U.S. War Department) Office of the Chief of Engineers, U.S.A.
1:475k
1807
Humboldt, Alexander von, 1769-1859
1:2m
1853
1861
Parke, John G.
1858
Campbell, Albert
1:602k