A roof fall occurred in the last open crosscut 60' inby spad #4874 extending approx 60' crosscut 23 into 3-4. Locally difficult ground condition were attributed to the presence of a drag fold which was disrupted by a sand stone. Area bolted with 12 by 16 cable bolts 6' fully grout rods wire mesh, monster mat. This fall was in the A mains 35' long in #3 entry 20' plus high.