1848
1871
Hopkins, G.M.
1:32k
1888
1:63k
1871
Hopkins, G.M.
1:25k
1851
Cornell
1947
Chester County Historical Society
1873
Hopkins, G.M.
1:253k
1902
Gannett, Henry; Wilson, H. M.; US Coast and Geodetic Survey; Geological Survey of New Jersey
1:63k
1860
Beers, S.N.
1:63k
1888
Vermeule, C. C. (Cornelius Clarkson), 1858-1950
1:63k