A NON-INJURY ROOF FALL OCCURRED SOMETIME BETWEEN 5-8 AND 5-10. WHEN IT WAS DISCOVERED BY THE MINE FOREMAN WHILE HE WAS CONDUCTION HSI PRESHIFT. THE FALL WAS LOCATED AT THE 52ND XCUT OF THE NO. 5 EAST MAIN INTAKE AIR COURSE. THE ROOF FALL MEASURED APPROX. 30' LONG, 18' WIDE, AND 10' THICK.