Region
Ohio
9
Ohio River Valley
9
Pennsylvania
8
Cincinnati (Ohio)
7
Delaware River Valley (N.Y.-Del. and N.J.)
6
Philadelphia
5
New Jersey
4
Camden
3
Delaware River (N.Y.-Del. and N.J.)
3
Penn
3
Philadelphia (Pa.)
3
Camden (N.J.)
2
Gloucester City
2
Gloucester City (N.J.)
2
Philadelphia Region
2
Athens (Pa.)
1
Athens Region
1
Atlantic Coast
1
Benjamin Franklin Bridge (Philadelphia, Pa.)
1
Camden Co
1
Camden Region
1
Delaware River
1
Delaware River Estuary
1
Delaware Valley
1
Lehigh River Valley
1
Lehigh River Valley (Pa.)
1
Maumee River Valley (Ind. and Ohio)
1
Miami River Region (Ohio)
1
Middle Atlantic States
1
Mississippi River Valley
1
Schuylkill River (Pa.)
1
Susquehanna River Valley
1
Tioga River Region (Pa. and N.Y.)
1
United States
1