AN UNPLANNED ROOF FALL OCCURED INT HE #4 ENTRY BELT THE FALL MEASURED APPROX. 55' LONG, 20' WIDE X 5' HIGH IN ENTRY AND APPROX. 15' LONG, 20' WIDE X 5' HIGH. FROM INTERSECTION INTO CROSSENT F ROM #4 TO #5 ENTRY. THIS AREA IS EXPERIENCING ADVERSE GEOLGICAL CONTITIONS. FALL IN BEING CLEANED UP.