1986
US Geological Survey
1:24k
1930
Stevens, Hugo
1:80k
1866
Swinton, William
1862
Abbot, Henry L.
1:63k
1895
U.S. War Department, Topographical Engineers
1:145k
1875
Le Comte de Paris
1:100k
1886
Johnson, A.J.
1:180k
1862
Johnson, A.J.
1:189k
1871
Washington, George
1866
Swinton, William