A ROOF FALL WAS DISCOVERED ON D-8 PANEL NO. 2 ENTRY 4-WAY INTERSECTION, 1 BREAK IN BY SPAD 6137 IN THE LAST OPEN BREAK. A ROOF BOLT MACHINE WAS PARKED IN THE EDGE OF THE INTERSECTION AND THE C ABLE WAS UNDER THE FALL, THE CABLE WAS CUT AND THE MACHINE PULLED FROM UNDER THE EDGE OF THE FALL. THE FALL WAS 20 FT WIDE BY 20 FT LONG BY 16 FT HIGH AND WAS DISCOVERED 4-11-01.