1896
Watson, Walter
1:140k
1876
Beers, Frederick W.
1:222k
1871
Gray, Ormando Willis; Walling, H. F.
1:158k
1905
Scarborough Company
1:127k
1886
Geological Survey (U.S.)
1:63k
1891
Walker, O.W.
1898
1890
Massachusetts. Topographical Survey Commission
