North 1, 19 - 20 block, # 7 entry, MMU 004 Spad 524. 18 ft wide X 25 ft long X 8 ft high. Support: 6 ft 3/4 inch resin bolts, pans, straps, 12 ft cable bolts, truss bolts and screen and ACS jacks on either side. Fall dangered off, additional roof support installed around fall.