1996
1:24k
1901
1:63k
1861
Bureau of Topographical Engineers
1:127k
1873
Walling, H. F.
1:222k
1861
Hergesheimer, Edwin
1:133k
1981
1:100k
1981
1:100k
1866
Martenet, Simon J.
1:222k
1865
none
1:521k
1895
U.S. War Department, Topographical Engineers
1:400k