1818
Ferrer y Cafranga, Joaquín María de, 1777-1861
1:44k
1895
C&GS
1:20k
1897
1891
Walker, O.W.
1:63k
1890
Massachusetts. Topographical Survey Commission
1871
Gray, Ormando Willis; Walling, H. F.
1:13k
1:6k
1908
Eldridge
1:45k
1894
Geological Survey (U.S.)
1940
Farrell, Jack
1:8k
