The Uintah and Ouray Reservation in Utah is the second largest, covering 6,800 sq miles. It is home to the Ute tribe, divided into three bands. The Tohono O’odham Nation …The Uintah and Ouray Reservation in Utah is the second largest, covering 6,800 sq miles. It is home to the Ute tribe, divided into three bands. The Tohono O’odham Nation …