1951
United States. Air Force
1:500k
1956
Shell Oil Company
1:824k
1927
Ford Motor Company
1895
United States. War Department
1:634k
1897
Rand McNally and Company
1:1m
1867
Mitchell, D.T.
1:589k
1859
Warren, Gouverneur Kemble, 1830-1882
1948
Hammond, C.S.
Colton, G. W. & C. B.
1:507k
