On 07/08/2009 the firebosses found an unintentional roof fall in the 5th West section at x-cut 46-47 in the #5 entry (return). The roof fall measured 30-40 feet long by 12 feet wide and was 5-6 feet high and 5 foot resin bolts had been installed in this area. Not an escapeway-no ventilation impeded-no injuries.