"Chesapeake and Ohio Canal official map and guide : Washington, D. C., Maryland, West Virginia."; "United States. National Park Service."; "Chesapeake and Ohio Canal National Historical Park.", "Chesapeake and Ohio Canal (Md. and Washington, D. C.)"; "Canals--Maryland.", "Canals--Washington (D. C.)", "Canals--West Virginia."; "United States. National Park Service."; "1997"; "

Brochure. \"GPO: 1997--417-648/40212 Reprint 1997.\"

"; ""; "P21241"; "pec"; "Canals--Maryland.", "Chesapeake and Ohio Canal (Md. and Washington, D. C.)", "Chesapeake and Ohio Canal National Historical Park.", "Canals--West Virginia.", "Canals--Washington (D. C.)"; "14256"; .