A roof fall was observed by mine examiner in the return rooms of #1 unit. Roof fall locations is in 5th room set-up of 2nd North Main return at spad #16+10 inby to 18+20. Fall is 210 feet long X 18 feet wide X 45 inches high. This fall is in the old works. Fall is timbered around just incase someone needs to go close to the area.