AN UNINTENTIONAL ROOF FALL OCCURRED IN THE #4 ENTRY, BETWEEN #8 AND #9 CROSSCUTS. THIS WAS LOCATED ALONG THE 5TH SOUTH TRAVELWAY. THE ROOF FALL WAS 30'LONG, 18.5'WIDE AND 5'HIGH. THE FALL WILL BE CLEANED UP AND THE AREA WILL BE RE-SUPPORTED. INITIALLY THE AREA WAS BOLTED WITH 4' FULLY GROUTED ROOF BOLTS AND SHOWED NO INDICATION OF ROOF FAILURE. THE ROOF MATERIAL CONSISTED OF SANDY,