An unplanned roof fall was discovered in the intake of the 1st room set-up off of the 3rd South Mains. The location of the fall is at spad #9+80 between entries 8 through 10 in the cross-cut. The fall measured app. 60' long x 19' wide x 6'-8' high. This area is app. 800' from the #1 unit(MMU 001-0).