Treaty With the Iowa, etc., Sept. 17, 1836
Articles of a treaty, made and concluded at Fort Leavenworth, on the Missouri river, between William Clark, Superintendent of Indian Affairs, on the part of the United States, of the one part, and the undersigned chiefs, warriors, and counsellors of the Ioway tribe and the band of Sacks and Foxes of the Missouri, (residing west of the State of Missouri,) in behalf of their respective tribes, of the other part.