1895
Young, J. J.
1:127k
1866
Swinton, William
1867
Chief of Engineers
1:21k
1861
L. Prang & Co.
1859
L. V. Buchholts
1:322k
1862
U.S. War Department, Topographical Engineers
1:63k
1861
Bachmann, John
1887
JOHNSON, Robert Underwood and BUEL (Clarence Clough)
1883
GORDON, George H. Major-General U.S. Volunteers
1861
J. Wyld