A rock fall occurred on the 1A belt between #29 and #30 break in the #4 entry inby spad #530. The size of the fall was estimated to be 20'-25'L x 18'-20'W x 5'-6'H. The area had been supported with 4' fully grouted resin bolts. No injuries, ventilation was not interrupted, belt line was caught. Fall will be cleaned up.