1891
Walker, O.W.
1:63k
1938
Chase, Ernest Dudley, 1878-1966
1828
Hayward, James
1:63k
1871
Gray, Ormando Willis; Walling, H. F.
1:158k
1852
Smith, R. P.
1:40k
1885
HIGGINSON, Thomas Wentworth.
1831
Lincoln & Edmunds
1915
United States Geological Survey
1:250k
1835
Hitchcock, Edward.
1874
HITCHCOCK, Charles Henry.