1953
United States. Air Force
1:500k
1951
1910
C&GS
1:400k
1890
1895
United States. War Department
1:634k
1866
Colton, G.W.
1:2m
1908
Cram, George
1:1m
1958
United States. Post Office Department
1:580k
1891
Appleton, D. & Co.
1886
