construction, area natural and cultural history and paleontology. There is also a freshwater aquarium with fish species found in the Missouri River. See also Lake Francis Case Missouri National Recreational River Pick–Sloan Missouri Basin Program Pickstown, South Dakota List of crossings of the Missouri River References External links Fort Randall Dam & Lake Francis Case - U.S. Army Corps of Engineers Buildings and structures in Charles Mix County, South Dakota Dams in South Dakota Buildings and structures in Gregory County, South Dakota Dams on the Missouri River Hydroelectric power plants in South Dakota United States Army Corps of Engineers dams Dams completed in 1956 Energy infrastructure completed in 1956 Earth-filled dams Tourist attractions in Charles Mix County, South Dakota U.S. Route 18 U.S. Route 81