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Garrison Dam is an earth-fill embankment dam on the Missouri River in central North Dakota, U.S. Constructed by the U.S. Army Corps of Engineers from 1947 to 1953, at over two miles (3.2 km) in length, the dam is the fifth-largest earthen dam in the world. [4]
The High Butte Effigy and Village Site is an ancient Native American ceremonial site near the Garrison Dam and Riverdale, North Dakota. [1] [3] The site was listed on the National Register of Historic Places in 1978. [1] It is located atop a butte and includes a "turf cut turtle effigy."
The creation of Garrison Dam between 1947–53 and Lake Sakakawea as water reservoir for irrigation, for flood control, and hydroelectric power generation in 1956, flooded of large areas of tribal lands that were devoted to farming and ranching, destroying much of the Three Affiliated Tribes’ economy.
In the mid-1950s both of the former fort sites were submerged under Lake Sakakawea, created by extensive flooding of the bottomlands after the Garrison Dam was constructed on the Missouri River. The forts were named after Italian-born Bartholomew Berthold (1780–1831), [1] a prominent merchant and fur trader of St. Louis.
Map showing the Missouri River basin Garrison Dam, which forms Lake Sakakawea, the largest reservoir on the Missouri River. This is a list of dams in the watershed of the Missouri River, a tributary of the Mississippi River, in the United States.
Thompson was 7 when she saw the dead fish floating in the river, and that memory has stayed with her. She saw it as evidence that dam removal was essential for restoring the river's health.
A map showing the extent of Lake Sakakawea in the Fort Berthold Reservation. In the 1940s, as part of the Pick–Sloan Missouri Basin Program , plans were drawn up to create the Garrison Dam , which would subsequently create Lake Sakakawea , for the purpose of providing hydroelectric power , irrigation, and recreation in the area.
The Mandan, Hidatsa, and Arikara Nation (MHA Nation), also known as the Three Affiliated Tribes (Mandan: Miiti Naamni; Hidatsa: Awadi Aguraawi; Arikara: ačitaanu' táWIt), is a federally recognized Native American Nation resulting from the alliance of the Mandan, Hidatsa, and Arikara peoples, whose Indigenous lands ranged across the Missouri River basin extending from present day North Dakota ...