IN LOW LYING DIP AREA SHALE ROOF SEPERATED FROM SAND STONE AT APP 5 FT, AREA WAS ROOF BOLTED WITH 4 FT BOLTS, FALL WAS IN INTERSECTION AT SPAD H 1709. FALL WAS APP 5,800 FT OUTBY FACE OF H 1 S ECTION - SIZE OF FALL 30 FT LONG, 20 FT WIDE, 5 FT THICK.