Sometime between 8/30/06 & 8/31/06 a fall occured in the return airway entry #2, section #3, 80' inby spad 17909. Fall was 60' x 19' x 8'. Both MSHA and OMSL were contacted and investigated the area. Area is to be rehabilitated, will install additional support as needed. Both MSHA and OMSL were notified immediately.