1985
1:100k
1991
1:100k
1952
United States. Air Force
1:500k
1895
United States. War Department
1:634k
1895
United States. War Department
1:634k
1914
Kenyon Company
1:1m
1890
Rand, McNally & Co.
1:856k
1879
Rand McNally and Company
1:2m
1874
Taintor Brothers & Merrill
1:1m
1817
Lucas, Fielding Jr.
1:4m