AN UNPLANNED ROOF FALL OCCURRED AT THE LONGWALL FACE. THERE WERE NO PERSONAL INJURIES. LONGWALL SHIELDS 60-76 WERE INVOLVED. VENTILATION WAS NOT AFFECTED, NOR WAS PASSAGE OF PERSONS. SIZE OF FALL: 100' X 6' X 6'. 6' TORQUE TENSION AND 8' CABLE BOLTS WERE BEING USED. DISTANCE ABOVE MINING SEAM 2-6' W/THICKNESS OF 1""-24""; FALL AREA WILL BE REHABILITATED. MSHA NOTIFIED AT SITE