Region
Bucks County (Pa.)
17
Pennsylvania
6
Bucks County
5
Hunterdon County (N.J.)
3
Chester County (Pa.)
2
Delaware County (Pa.)
2
Montgomery County (Pa.)
2
Philadelphia (Pa.)
2
Philadelphia Region (Pa.)
2
Delaware Canal (Pa.)
1
Delaware River Valley (N.Y.-Del. and N.J.)
1
Guidebooks
1
Mercer County (N.J.)
1