The agency built storehouses, an issue building, a carpentry shop, a sawmill, stables, and other structures to serve the Sioux community.
Camp Sheridan was established in 1874 to guard the agency, with permanent facilities built in 1875, including over thirty frame and brick structures.
[3] It was re-established in 1837 for the Otoe, Missouria, Omaha, and Pawnee, who were some of the Native American peoples previously assigned to the Upper Missouri Agency.
Between 1849 and 1851, the Council Bluffs Agency was reduced to a subagency and was discontinued in 1856, after the Omaha ceded their lands by treaty and moved on to their reservation in northeast Nebraska.
The national office of the BIA did not like his version and forced many changes when a smaller Omaha delegation of seven chiefs, chosen by their people, and an interpreter, went to Washington DC for signing of the treaty in 1854.
[4] Founded in 1856, in the Blue River Valley in southern Nebraska, this agency was responsible for the Oto, Missouria, and Pawnee of the region.
It moved with the majority of Ponca to the Oklahoma Territory in 1877, who were removed despite their wish to stay in Nebraska and have land assigned with the Omaha, to whom they were closely related and intermarried.