An unplanned roof fall has occurred in the No. 3 netural entry two crosscuts inby survey spad No. 3127, the fall measures 20 feet long, 20 feet wide, and 5 feet thick. The fall was above installed roof bolts. The fall does not impede travel or affect ventilation. All areas of the fall will be timbered off and danger signs posted. The fall was reported to MSHA.