A roof fall occurred in the return escapeway of 2RWest Lease continuous miner section near the overcast near x-cut #2. The fall was 10'x 15'x7' high. 3-7' roof bolts fell when the top fell. MSHA notified at approx. 8:30 a.m. MSHA insp. were on-site when the fall was discovered and were aware of the fall prior to hotline notification.