Rehabilitation of the Devils Lake Sioux Tribe and the Turtle Mountain Band of Chippewa Indians, North Dakota : hearings before the Subcommittee on Indian Affairs of the Committee on Public Lands, House of Representatives, Eighty-first Congress, second session on H.R. 7262, a bill to provide for the rehabilitation of Turtle Mountain Band of Chippew Indians of the turtle Mountain Reservation, N. Dak., and for other purposes and H.R.6152, a bill to promote the rehabilitation of the Devils Lake Sioux Tribe of Indians, North Dakota, and for other purposes, February 23 and March 14, 1950.