1951
United States. Air Force
1:12k
1852
Owen, David Dale
1951
United States. Air Force
1:500k
1952
United States. Air Force
1:500k
1936
Rand McNally & Company
1895
United States. War Department
1:634k
1861
Gunnison, J.W.
1:760k
1877
Thompson, Thos. H.
1:32k
1885
Page, H.R. & Co.
1:1m
1861
L. Prang & Co.