1951
United States. Air Force
1:500k
1888
C&GS
1:80k
1903
Griswold, Lewis
1:63k
1930
Anonymous
1910
C&GS
1:400k
1890
C&GS
1:400k
1895
United States. War Department
1:634k
1939
Fisk, Harold N., 1908-1964
1:500k
1939
Fisk, Harold N., 1908-1964
1:500k
1897
Rand McNally and Company
1:980k