 The Warm springs and Wasco signed a treaty with Joel Palmer in 1855 after dealing with their traditional ways of life being disrupted by the settlers for many years.By signing the treaty the Wasco and Warm Springs tribes relinquished 10 million acres of land to the United States and kept 640,000 acres for their own use.The first people from the Paiute tribe to arrive on reservation were the 38 Paiutes that were forced to move onto the Warm Springs Reservation from the Yakama Reservation in 1879.