sentences:  In a treaty dated 23 October 1826, the Pottawattamies and Miamis ceded all their lands east of the Tippecanoe.A treaty dated 26 October 1832 with the Pottawattamies ceded control of the northwestern part of Indiana; on 27 October the Pottawattamies of Indiana and Michigan also relinquished all claim to any remaining land in those states.Until the 1832 treaty of 1832, the future Jasper County area was not open to settlement; those who did come to Indiana before that time had flooded the southern parts of Ohio, Indiana and Illinois through the Ohio Valley.