ON 7/21/03, A ROOF FALL WAS DISCOVERED IN THE INTAKE @ SPAD 511. THE FALL MEASURED 20'LONG X 20'WIDE X 8'THICK. 6'RESIN BOLTS WERE TYPE OF SUPPORT IN THIS AREA. THE FALL WAS TO RIDER SEAM AND AREA WAS WET. AREA WAS POSTED AND DANGERED OFF. NON PRODUCING STATUS.