Treaty with the Crow Tribe for the purpose of perpetuating the friendship which has heretofore existed : as also to remove all future cause of discussion or dissension, as it respects trade and friendship between the United States and their citazens, and the Crow tribe of Indians / the President of the United States of America, by Brigadier-General Henry Atkinson, of the United States Army, and Major Benjamin O'Fallon, Indian agent, with full powers and authority, specially appointed and commissioned for that purpose, and the undersigned chiefs, head-men and warriors, of the said Crow tribe of Indians, on behalf of their tribe, on the other part.