ROOF FALL OCCURRED IN INTERSECTION AT #4 HEADINGSPAD #2463. FALL OCCURRED AFTER STARTING LEFT X-CUT - RIGHTHAND CROSSCUT WAS ~2 CUTS DEEP. FALL MEASURED 16' LONG, 18' WIDE, 8' HIGH. CONDITIONS CONTRIBUTING TO FALL WERE FAULT AREA: HIGH ANGLESLIP. VENTILATION NOT DISTURBED. EQUIPMENT NOT INVOLVED. NO INJURY. FALL WILL NOT BE CLEANED UP