A ROOF FALL WAS FOUND AT 5:30 PM ON 2-14-00. IT WAS LOACTED IN FOUR WAY INTERSECTION AT X C 251 MAIN SOUTH, ENTRY #2. ALL MEASURED 20'X20'X10'H. AREA WAS MINED MID 1996 AND WAS SUPPORTED WITH 4 AND 8' FULL RESIN PINS. APPROX. 50' HIVOLTAGE LINE AND 3"" PIPE WERE LOST.