A ROOF FALL OCCURRED IN THE NO. 3 ENTRY (RETURN) AT SURVEY STATION NO. 597. THE FALL FELL FROM THE CENTER OF THE INTERSECTION AND EXTENDED THRU THE XCUT OVER THE EDGE OF THE NO. 4 ENTRY. THE F ALL MEASURED APPROX. 12-14' WIDE X 70-80' LONG X 3-7' THICK AND FELL IN AN AREA SUPPORTED WITH 36"" MECHANICAL ROOF BOLTS. THE FALL OCCURRED APP. 7600' INBY THE ACTIVE SECTION (003-0)IN THE IN