List of locks and dams of the Ohio River

This is a list of locks and dams of the Ohio River, which begins at the confluence of the Allegheny and Monongahela rivers at The Point in Pittsburgh, Pennsylvania and ends at the confluence of the Ohio River and the Mississippi River, in Cairo, Illinois. == Evolution of navigation on the Ohio River == In the early days of steamboat navigation on the Ohio River the major physical hurdle that delayed travel was the Falls of the Ohio near Louisville, Kentucky.

Source: Wikipedia — List of locks and dams of the Ohio River (CC BY-SA 4.0)