A Fall was found in 2nd West in the #6 Return Air Course, between crosscuts #10 and #11. The area is approximately 36' L, 18' W and domed up to 6 ½' H. No miners were injured or entrapped. No Ventilation was interrupted. The area has been 'Dangered-Off' and Supplemental Roof Support has been installed. The area appears to have become saturated with water, causing the failure.