A ROOF FALL OCCURED IN ROOM #1 FIRST ROOMS RETURN OFF THE SE PANEL SURVEY STATION 1 & 80 MMV 002. ALL APPROACHES TO THIS AREA HAVE BEEN TIMBERED OFF THIS AREA HAD BEEN BOLTED WITH 6' GROUTED A ND 8' DOUBLE LOCK BOLTS. THE FALL MEASURED 80' LONG X 17' WIDE X 10' HIGH.