AN UNINTENTIONAL ROOF FALL OCCURRED IN THE #4 ENTRY AT THE #23 CROSS CUT, THIS WAS LOCATED ALONG THE TRAVELWAY OF THE 5S/2E WORKING SECTION. THE ROOF FALL WAS 30'LONG, 18.5'WIDE, & 5'HIGH. THE FALL WILL BE CLEANED UP AND THE AREA WILL BERE-SUPPORTED. INITIALLY THE AREA WAS BOLTED WITH4'FULLY GROUTED ROOF BOLTS SHOWED NO INDICATION OF ROOF FAILURE.ROOF MAT.:LAM. SANDY GRAY SHALE.