A roof fall occurred on the Main North Track outby #2 Portal at 112 xcut. (#4 Entry.) Fall was 22'L, 20'W & 7'H. Area was mined in Nov. of 1991. Fall occurred due to deterioration of immediate roof around supports (roof bolts). Area was supported with 8 feet long point anchor roof bolts with an expander shell & 2 feet of resin. Header blocks, screen & wooden plank were used.