MapChesapeake and Ohio Canal, Washington, D.C., Maryland, West Virginia, official map and guide "*GPO: 1987--181-415/60125." Panel title. Title at top: Chesapeake and Ohio Canal National Historical Park. Oriented with north toward the upper right. Text, map of lower canal, and ill. on verso. Available also...
- Contributor: United States. National Park Service
- Date: 1987