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Chesapeake & Ohio Canal National Historical ParkPhoto of lock horn used by boatmen to signal their approach to locks.
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Chesapeake & Ohio Canal National Historical Park
Towpath Towns
Photo Potowmack Company canal lock at Great Falls Virginia.  

Did You Know?
George Washington's dream of connecting the eastern states with the western frontier led to the creation of the Patowmack Company. Locks were built around unnavigable parts of the Potomac River for improved commerce. The C&O Canal inherited the right of way after the Patowmack Company's demise.

Last Updated: July 19, 2006 at 14:30 EST