1893
Geological Survey (U.S.)
1:63k
1871
Gray, Ormando Willis; Walling, H. F.
1:15k
1891
Appalachian Mountain Club W.B.Clarke & Co.
1:63k
1871
Gray, Ormando Willis; Walling, H. F.
1:158k
1860
Meyer, J.
1892
MOIREAU, Auguste.
1814
1831
Lincoln & Edmunds
1915
United States Geological Survey
1:250k
1835
Hitchcock, Edward.