Region
United States
8
Pennsylvania
2
Chesapeake and Delaware Canal (Del. and Md.)
1
Erie
1
Erie, Lake
1
Great Lakes
1
Great Lakes (North America)
1
Great Lakes Region (North America)
1
James Rivers and Kanawha canal
1
Lehigh River
1
Lehigh River (Pa.)
1
Mississippi River
1
New Jersey
1
New York (State)
1
Penn
1
Philadelphia (Pa.)
1
West (U.S.)
1