Title: C & O Canal
Subjects: Canals, Historic parks, History, Recreational use
Places: Chesapeake and Ohio Canal (Md. and Washington, D.C.), Chesapeake and Ohio Canal (Md. and Washington, D.C.)., Chesapeake and Ohio Canal National Historical Park, Chesapeake and Ohio Canal National Historical Park (Md. and Washington, D.C.), Maryland, Washington (D.C.)