Garrison Dam Tribes. Construction on the $300-million dam project began in 1947, and its embankment was enclosed in April 1953. The dam was dedicated by President Eisenhower two months later. The Corps of Engineers completed earthwork in the fall of 1954. Garrison Dam is one of six Missouri River Main stem dams operated by the U.S. Army Corps of Engineers, Omaha District. The dam upstream of Garrison Dam is Fort Peck Dam (near Fort Peck, Montana). The dams downstream of Garrison Dam are: Oahe Dam (near Pierre, South Dakota), Big Bend Dam (near Fort Thompson, South Dakota), Fort Randall Dam (near Pickstown,
Hiwassee Dam bend in the river known as Fowler Bend. The dam is upstream from Apalachia Dam (which is near the Tennessee-North Carolina state line) and downstream from Chatuge Dam. Hiwassee Dam and its reservoir are surrounded by the Nantahala National Forest. Hiwassee Village, a small community that developed alongside the dam and reservoir, is located immediately south of Hiwassee Dam. North Carolina State Highway 1314 (Hiwassee Dam Access Road) crosses the top of the dam. Hiwassee Dam is a concrete gravity overflow dam high and long, and has a generating capacity of 185,000 kilowatts. The dam's spillway is controlled by seven