Tri-county Teachers' 13 Institute Slated 4Sept. 26 at CrescoDECORAH, la. - Winneshiek 1 County teachers from all public l : and parochial town and rural grade . j and high schools will attend a Tri-county Institute at Cresco Sept. 26. Dr. Douglas F. Dickerson of1*1 Rochester, Minn . author, educator■Iand administrator., will be the key-note speaker.Counties participating In the meeting are Howard, Allamakee and Winneshiek.t