The Nickajack Dam in southeast Tennessee was finished in 1967. It replaced the old Hales Bar Dam which had leaks in its foundation. Nickajack Reservoir extends 46 miles upstream from the dam to Chickamauga Dam. The reservoir offers wide expanses of water and the spectacular scenery of the Tennessee River Gorge, known as the Grand Canyon of Tennessee. Some of the commodities passing through the Nickajack lock are grain, pulpwood, wood chips, soybean oil, salt, petroleum, steel products, and coal.