A ROOF FALL OCCURRED ON THE 1ST SOUTHEAST BELT BETWEEN SPAD #11 & 20 &11 & 90 AT AROUND 12:30 PM 12-16-02. THE ROOF FALL WAS 18' WIDE 50' LONG & 10' HIGH. 60"" FULLY GROUTED ROOF BOLTS WERE USE D IN THIS AREA. THE ROOF FALL WAS 4,270' OUTBY THE UNIT DUMPING POINT.