An unplanned roof fall occurred in the No. 2 entry of G - Butt. Fall was located one (1) x-cut outby survey station #994. Fall was determined to be approximately 18' wide, 40' long, 8' to 10' high. Area bolted with four (4) foot fully grounted resin bolts with eight (8) foot to ten (10) foot cable bolts installed throughout the area. Area posted and dangered off.