A roof fall occurred on the Main North Track at 43 x cut, 04 Entry, 40 + 70 feet (old 4 West Track Spur). Fall was 30' long, 20' wide, 5' high. Area was in June, 1989. Fall occurred due to deterioration of the immediate roof around the existing roof bolts. Area was supported with 8' roof bolts, resin anchored 2' expander shells. Plank, hedder block & 12' cable bolts were used.