A huge amount of cargo, from coal to metals and grains, pass through the McAlpine Locks and Dam annually. A series of lock and dam systems on the Ohio River act as a "staircase," carrying barges and ...
Water pours through the Belleville dam. The dam keeps the water level of the Ohio River at a consistent depth in the pool that includes Marietta and Parkersburg. (Photo by Art Smith) Think about the ...
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