OUR HISTORY

CHEYENNE RIVER SIOUX TRIBE HISTORY

TITLE: Cheyenne River Sioux Indian Reservation

ESTABLISHED: Act of March 02, 1889, Also see Great Sioux Nation, Treaty of 1868, Treaty of 1851

LOCATION: North Central South DakotaSIZE: 2,806,913.95 acres (similar to Connecticut)

TRIBE: Teton Lakota (Sioux), bands of Mnicoujou, Siha Sapa, Oohenumpa, & Itazipco

POPULATION: 14,861 (per 1990 census)

TOTAL INDIAN POPULATION: 12,218 (per 1990 census)

TOTAL ENROLLED MEMBERS OF TRIBE: 14,423 and growing

TRIBAL HEADQUARTERS: Eagle Butte, SD

TRIBAL LAND: 1,400,614.51 acres of tribal trust land

 

CHEYENNE RIVER SIOUX TRIBE HISTORICAL INFORMATION

The Cheyenne River Sioux Reservation is part of the Great Sioux Reservation that was established under the Treaty of 1868. This treaty established a reservation of 60,000,000+ acres that encompassed all of western South Dakota, North Dakota, Eastern Wyoming, and parts of Nebraska and Montana.The Sioux Agreement of March 02, 1889 set reservation boundary lines to encompass approximately 2,806,913.95 acres. The Surplus Lands Act of 1908 and 1910 authorized the Secretary of Interiors to open 1.6 million acres of the Cheyenne River Sioux Reservation for homesteading and settlement by non-Indians. Land which the tribe has attempted to restore to tribal ownership to this day.The eastern boundary of the Great Sioux Nation is the east bank of the Missouri River and is also the boundary of the eastern edge of the Cheyenne River Sioux Reservation. The construction of the Oahe Reservoir in 1948- and 1962 supposedly removed 104,420 acres of trust land from the reservation due the illegal building of the dam. But, pursuant to Public Law 778, the reservations boundaries were not altered by the United States taking of lands.More history .....

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