Region
Penn
Pennsylvania
29
Philadelphia
20
United States
18
Carbon Co
3
Mauch Chunk
3
New Jersey
3
Berks County
1
Bucks Co
1
Chowan Co
1
Cumberland Co
1
Delaware River (N.Y.-Del. and N.J.)
1
Delaware River Estuary
1
Edenton
1
Fayette Co
1
Maryland
1
Mercer Co
1
Michigan
1
Middlesex Co
1
New Brunswick
1
New Hope
1
New York (State)
1
North Carolina
1
Philadelphia County
1
Pottsville
1
Reading
1
Schuylkill Co
1
Trenton
1
Warren
1
Warren Co
1
Washington
1
Washington Co
1