ROOF FALL - Occurred on No. 12 section in cross-cut between No. 1 and No. 2 entry and 20 feet into No. 2 and No. 3 cross-cut. The rock fall was approx. 40 feet x 20 feet and approx. 15 feet high. The time of the fall was recorded as the time the section foreman conducted the pre-shift exam and discovered the roof fall.