Whereas a treaty was made and concluded at Council Springs, in the county of Robinson, Texas : near the Brazos River, on the fifteenth day of May, A.D. one thousand eight hundred and forty-six, between P.M. Butler and M.G. Lewis, commissioners on the part of the United States of America, of the one part, and the chiefs, counsellors, and warriors of the Comanche, I-on-i, Ana-da-ca, Cadoe, Lepan, Long-wha, Keechy, Tah-wah-carro, Wichita and Wacoe tribes of Indians, and their associate bands in behalf of their said tribes, of the other part ..