A roof fall occurred in the 67 Head gate section in #2 entry at 47 crosscut. The fall was 18' to 20' high and extended the width of the entry plus 30' into the 2 to 1 crosscut and 30' into the 2 to 3 crosscut for a total length of 80'. No one was injured or entrapped. **Roof fall occurred due to a failure in the overlying strata.**