AN UNINTENTIONAL ROOF FALL WAS DISCOVERED 3-26-00 AT 10:30 PM ON D-3 MAINS #2 ENTRY INTERSECTION 3 BLOCKS INBY SURVEY STATION 3885. THE FALL WAS 18 FT WIDE X 18 FT LONG X 18 FT HIGH. THE AREA WAS DEVELOPED 3-24-00. THE FALL CONTAIONED 5 FT RESIN TENSION & 14 FT CABLE BOLTS. THE FALL WAS DANGERED OFF AND CRIBS WERE BUILT FOR ADDITIONAL SUPPORT. FALL WILL NOT BE CLEANED UP @ THIS TI