U. S. Bureau of Indian Affairs No description specified. 1-3 (3 Records) Documents Map 106. Part 6. Land Ceded By the Osages By Treaty of Saint Louis, 25th September 1818 Report On a Survey of the Cheyenne River Sioux Tribe Irrigation Project, Lake Oahe, in Dewey County, South Dakota (1983) Selected Documents from the Records of the Office of Indian Trade, 1802-1822 (1971)