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List of locks and dams of the Ohio River - Wikipedia
Ohio River Navigational Dams - ORSANCO
Ohio River, PA, OH, WV, KY, IN & IL - United States Army
List of locks and dams of the Ohio River - WikiMili
Locks and Dams – Ohio River Scenic Byway
Ohio Dam Locator - Ohio Department of Natural Resources
Ohio River at Smithland Lock and Dam - National Oceanic and …
Markland Locks and Dam - Wikipedia
Ohio River - Wikipedia
Ohio River at Smithland Dam, Smithland, KY - 03399800 - USGS