1894
1:80k
1951
United States. Air Force
1:500k
1910
C&GS
1:400k
1890
C&GS
1:400k
1895
United States. War Department
1:634k
1915
1:80k
1952
United States. Air Force
1:500k
1901
C&GS
1:80k
1897
Rand McNally and Company
1:980k
1879
Rand McNally and Company
1:2m