AN UNPLANNED ROOF FALL OCCURRED THE #3 ROOM OF ROOMS LEFT OFF 1 RIGHT AT SURVEY STATION #3210 AND CONTINUED UP BELTLINE TO SURVEY STATION #3211. FALL WAS APPROX. 100' LONG, 19' WIDE, 6' HIGH ( PLUS?) AREA BOLTED WITH 6' HY-TEC BOLTS. ROOF FALL CAUGHT OUR LO-BELT DRIVE AND APPROX. 100' OF BELT STRUCTURE. AREA TIMBERED AND DANGERED OFF, MOVED SECTION OUT OF THAT AREA OF THE MINE.