A FALL WAS DISCOVERED 4-23 AN A-4 MAINS NO. 26 BREAK NO.1 ENTRY INTERSECTION TO NO.4 ENTRY AT SURVEY STATIONS 1519, 1496 AND 1495. THE FALL WAS APPROX 190 FT LONG BY 18 FT WIDE BY 7-9 FT HIGH. THE FALL CONTAINED 6 FT RESIN BOLTS AND CRIBS. THE FALL WILL NOT BE CLEANED UP.