An unintentional roof fall was discovered at approx 5:50am. In the number 5 entry on the Grassy Creek Mains at break 54. The fall extended to the number 6 entry intersection by excluded the number 6 entry. All approaches to the fall were timbered off. The fall did not interrupt ventilation but will be cleaned up. The fall is approx 110' long, 20' wide and 12'high.