On 6/1/10 at 12:35pm, the foreman found a roof fall at BK 218(31 BK on 9 Belt)in the return. Fall was 2 bks outby spad 4234. Fall started in #1 intersection & continued to # 2 Entry. Fall was approx 100' long x 20' wide x 8'-10' thick. No injuries occured. Ventilation still moving thru area. Area was timbered & dangered off. Fall is located 2 BKs outby survey Spad 4234.