bn:03470265n
Noun Named Entity
Categories: Locks of the United States, Chesapeake and Ohio Canal, Historic American Engineering Record in Maryland, Locks of Maryland, Transportation buildings and structures in Washington, D.C.
EN
locks on the C&O Canal  Locks on the Chesapeake and Ohio Canal  Composite lock  composite locks  locks on the C & O Canal
EN
The Locks on the Chesapeake and Ohio Canal, located in Maryland, West Virginia, and Washington, D.C. of the United States, were of three types: lift locks; river locks; and guard, or inlet, locks. Wikipedia
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