1952
United States. Air Force
1:500k
1951
United States. Air Force
1:500k
1895
United States. War Department
1:634k
1881
Moser, C.
1:950k
1889
Cram, George
1:815k
1794
Morse, Jedidiah
1:634k
1948
Hammond, C.S.
1:1m
1823
Henshaw, Frances A.
1:1m
1843
Breese, S.
1:1m
1794