A view of water flowing over the McAlpine Locks and Dam, at the Falls of the Ohio, on the Ohio River. The dam resides between the city of Clarksville, Indiana, and Louisville, Kentucky. The dam and locks were constructed to allow cargo vessels to safely traverse a large cataract (waterfall) on the Ohio River. The Falls of the Ohio is known for it 390-million-year-old fossil beds, which are among the largest exposed Devonian fossil beds in the world.
