1856
Walling, Henry Francis, 1825-1888
1:49k
1871
Gray, Ormando Willis; Walling, H. F.
1:158k
1891
Walker, O.W.
1:63k
1895
Geological Survey (U.S.)
1:63k
1893
Geological Survey (U.S.)
1:63k
1893
Geological Survey (U.S.)
1:63k
1985
1:100k
1985
1:100k
1890
Massachusetts. Topographical Survey Commission
1:63k
1901
1:125k