Preshift examiner discovered a roof fall in 2nd SW Butt #1 Entry (room neck) Inby spad #547. The fall was in the intersection extending into #1 entry and x-cut 2-1 in both directions. Fall was approx. 60' long by 18' wide & 6'-8' high. Area was bolted with 6' super twist bolts. The area was dangered off with cribs and danger signs on all sides.