Lake John C. Stennis Lock and Dam; formerly named Columbus Lock and Dam – impounds Columbus Lake Tom Bevill Lock and Dam; formerly named Aliceville Lock and Dam – impounds Aliceville Lake Howell Heflin Lock and Dam; formerly named Gainesville Lock and Dam – impounds Gainesville Lake Gallery Notes Further reading External links U.S. Army Corps of Engineers Tennessee-Tombigbee Waterway Development Authority Tenn-Tom - A New Waterway For America Lists of dams in the United States Canals opened in 1984 1984 establishments in the United States Canals in Alabama Canals in Mississippi Mississippi placenames of Native American origin Alabama placenames of Native American origin