A roof fall was discovered on the Main NW, Entry #4 (beltline)sta. 8+40. The area was bolted with 5' fully grouted and 12' point anchor bolts, developed on 7/1/2002. The fall occurred in a 4 way intersection, it did not affect ventilation or passage of men. We did have property damage to the belt and structure in the area of the fall. It measures 30' L X 18.5' W X 12' + thick.