AN UNPLANNED ROOF FALL OCCURRED ONT HE HEADGATE SECTION IN THE #3 ENTRY. A 30 FT CUT FELL AND AREA WAS GOING TO BE CLEANED WHEN IT STARTED WORKING OUTBY. ALL EQUIPMENT WAS PULLED FROM ENTRY A THE ENTRY FELL TO THE INTERSECTION FOR A TOTAL OF 110' THE FALL MEASURED APPROX. 110'X20'X6 1/2"" VENTALATION PASSAGE OF PERSONS WAS NOT AFFECTED G NO EQ INVOLVED AREA WAS CLEANED UP & REBOLTED