An unintentional roof fall occurred on Unit #2 in Entry #5 at the 4+20 survey station. The fall occurred due to the strata broke at and above the anchor point. The area had been supported with 4 ft. conventional roof bolts. The fall is approximately 39 ft. long, 19-20 ft. wide, 0-5 ft. high. The fall will be cleaned up and resupported.