Pennsylvania Historical and Museum Commission
Pennsylvania State Archives
RG-17
Records of the Land Office
LAND OFFICE MAP COLLECTION, 1680-ongoing and undated. [series #17.522]
*Land Office Map Collection Database*
The following link connects to a 3MB PDF version of the Index to maps (NOT scanned images of the maps themselves) in the Land Office Map Collection series. The listings are arranged alphabetcially by county, then alphabetically by township, and finally chronologically by date of the map: