Fort Peck Dam others. Many of the homes were later moved to farms and towns around Montana. Fort Peck Dam is one of six Missouri River Main stem dams operated by the U.S. Army Corps of Engineers, Omaha District. The dams downstream of Fort Peck Dam are: Garrison Dam (near Riverdale, North Dakota), Oahe Dam (near Pierre, South Dakota), Big Bend Dam (near Fort Thompson, South Dakota), Fort Randall Dam (near Pickstown, South Dakota), and Gavins Point Dam (near Yankton, South Dakota). These six mainstem dams impound these Missouri River reservoirs with a total combined water storage capacity of approximately and approximately of
Oahe Dam earth main dam reached its full height in October 1959. It was officially dedicated by President John F. Kennedy on August 17, 1962, the year in which it began generating power. The original project cost was $340,000,000. Tours of the powerplant are given daily, Memorial Day through Labor Day. As a result of the dam's construction the Cheyenne River Indian Reservation lost bringing it down to today. Standing Rock Reservation lost leaving it with . Much of the land was taken by eminent domain claims made by the Bureau of Reclamation. Over and above the land loss, most of the