A ROOF FALL OCCURRED IN ROOM #4 RETURN ROOMS 1STS.W. PANEL SURVEY STATION 0 AND 60 TO 1 AND 20. THE FALL MEASURED 90' LONG BY 19' WIDE BY 8' THICK. THIS AREA HAD BEEN BOLTED WITH 6' FULLY GROUTED BOLTS. ALL APPROACHES TO THIS AREA WILL BE TIMBERED OFF.