A ROOF FALL WAS FOUND BY THE EXAMINER IN THE EAST PARALLELS AT #13 X-CUT #1 ENTRY MEASURING APPROXIMATELY 50' X 20' X 6'. THE AREA WAS MINED IN MAY 2000 AND SUPPORTED WITH 6' TENSION BOLTS & T IMBERS. FALL WAS CAUSED BY AN UNDETECTED SLIP IN THE MINE ROOF.