A ROOF FALL OCCURRED ON THE 002 SECTION AT APPROXIMATELY 1535 IN THE #3 ENTRY STARTING AT #57 XCUT AND EXTENDING APPROXIMATELY 80;. IT WAS APPROXIMATELY 20' WIDE AND 7' HIGH. THIS AREA HAD BEE N SUPPORTED WITH 5' TORQUE TENSION BOLTS. THE FALL TRAPPED TWO MOBILE ROOF SUPPORTS.