AN UNINTENTIONAL ROOF FALL OCCURRED ON THE #1 WORKING SECTION. THIS ROOF FALL OCCURRED AT A 4-WAY INTERSECTION LOCATED IN THE LAST OPEN CROSSCUT, THE AREA WAS SUPPORTED WITH 10'POINT ANCHOR ROOF BOLTS. THE FALL MEASURED 18'X 20'X 20'H. THE FALL WILL BE CLEANED UP & THE AREA RE-SUPPORTED.