Treaties Map 1800s Treaty with the Ponca, 1865 Agreement with the Lakota Tribes, 1889 and 1892 Agreement with the Lakota, Northern Cheyenne, and Arapaho Tribes, 1876 Treaty with the Pawnee, 1857 Agreement with the Pawnee Tribe, 1875 Agreement with the Lakota Tribe, 1875 Treaty with the Arapaho and Cheyenne, 1861 Treaty with the Pawnee, 1833 Treaty with the Kansa, 1825 Treaty with the Pawnee, Grand, Loups, Republicans, etc., 1848 Treaty with the Omaha, 1854 Treaty with the Omaha, 1865 Agreement with the Omaha Tribe, 1882 Treaty with the Confederated Oto and Missouri, 1854 Treaty with the Oto and Missouri, 1833 Agreement with the Oto Tribe, 1830