A ROOF FALL WAS DISCOVERED AT BREAK NO. 40 IN THE NO. 1 ENTRY OF THE EAST MAIN ENTRIES WHILE THE MINE EXAMINER WAS CONDUCTING HIS PRE-SHIFT MINE EXAMINATION. THE FALL MEASURED 20 FT WIDE, 80 F T LONG AND 6 FT THICK. THE FALL OCCURRED SOMETIME BETWEEN THE END OF THE SHIFT ON 3-1-03 AT 3:00 PM, AND THE PRE-SHIFT ON 3-3-03 AT 4:00 AM.