The Pick plan introduced three different projects to be carried out by the Army Corps of Engineers. Pick developed a proposal for the corps called the Pick plan, which was finished in August of the same year. In May 1943, the House Flood Control Committee chose the United States Army Corps of Engineers to create a solution for extreme flooding in the Missouri Basin. Pick, director of the Missouri River office of the United States Army Corps of Engineers, and William Glenn Sloan, director of the Billings, Montana office of the United States Bureau of Reclamation. It derives its name from the authors of the program– Lewis A. One source called the program the single most destructive act ever perpetrated on any tribe by the United States. The construction of dams such as the Oahe, Garrison, and Fort Randall flooded out significant parts of many Native American reservations, including those at Standing Rock, Cheyenne River, Fort Berthold, Crow Creek, and Lower Brule. The intended beneficial uses of these water resources include flood control, aids to navigation, irrigation, supplemental water supply, power generation, municipal and industrial water supplies, stream-pollution abatement, sediment control, preservation and enhancement of fish and wildlife, and creation of recreation opportunities. The Pick–Sloan Missouri Basin Program, formerly called the Missouri River Basin Project, was initially authorized by the Flood Control Act of 1944, which approved the plan for the conservation, control, and use of water resources in the Missouri River Basin. to 4:00 p.m.Gavins Point Dam and Lewis and Clark Lake near Yankton, South Dakota Hours: Project Office hours Monday through Friday 7:30 a.m. Groups of ten or more shall be by special appointment only. Powerplant tours given Memorial Day weekend through Labor Day weekend on Thursday, Friday, Saturday, and Sunday at 1:00p.m. The Corps provides a 2 Hour narrative tour on the operative and functions of the dam, power plant and outlet works along with electric distributions of power. Electrical power is transmitted from the project through seven transmission lines to various substations and is marketed by Western Area Power Administration at the Watertown Dispatch Office in South Dakota.Įxhibits in the power plant lobby feature displays on the construction and operation of the Garrison Dam and recreational opportunities on Lake Sakakawea. These generators produce 1.8 to 2.6 billion kilowatt-hours of electricity a year. The power plant consists of five generating units with a total capacity of 515,000 kilowatts. Its embankment consists of 66.5 million yards of rolled earth fill making it one of the largest rolled-earth dams in the world. The dam is 210 feet high and two-and-a-half miles long. The drainage area of the lake is about 181,400 square miles.Ĭonstruction of the Garrison Dam ran from 1947-1954 at a cost of $300 million. That amount of water would cover the entire state of North Dakota with about six inches of water. The lake can store nearly 23 million acre-feet of water. The dam produces enough electricity to supply the electrical needs of a city the size of Omaha, Nebraska, and its 350,000 people. Garrison Dam is the fifth largest dam in the United States, with five hydropower generating units in the powerhouse. Garrison Dam, one of five dams on the Missouri River was responsible for the creation of Lake Sakakawea, the third largest man-made lake in the United States.
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