On 10-13-16 a roof fall occurred above the anchorage point at the three way intersection of #1 entry east mains and #1 entry 6 North. The fall is about 20' in length and 20' in width. The height could not be determined but was in excess of 6'. The cause of the fall was weathering and a plan was submitted to remove this area as an active airway. No other part 50 criteria applies.