An unplanned roof fall occurred in the #3 entry of the 1 Right Room, 1 x-cut inby survey station #504. Fall was approximately 19' wide, 22' long, 4' plus high. Fall did not affect any ventilation, equipment, or travelway. Fall was timbered and dangered off. Roof fall will not be cleaned up. Fall was discovered on 05/30/2007.