An unintentional roof fall was discovered by a mine examiner. The fall measured 18'W x 20'L x 6""H. The primary escapeway was blocked by the fall. The escapeway was rerouted to a different entry. The fall is being cleaned up. No equipment or ventilation was damaged by the fall. Continuation of roof fall measuring 18'w x10'L x5' thick occurred on 12-30-2020.