1930
Department of the Interior U. S. Geological Survey
1:63k
1938
1:63k
1861
Bureau of Topographical Engineers
1:127k
1861
Hergesheimer, Edwin
1:125k
1873
Walling, H. F.
1:222k
1861
Hergesheimer, Edwin
1:133k
1873
Walling, H. F.
1:222k
1866
Martenet, Simon J.
1:222k
1866
Martenet, Simon J.
1:222k
1893
U. S. Geological Survey
1:125k