ROOF FALL UNPLANNED, WAS FOUND DURING ROUTINE EXAMNATION OF MINE FALL STARTS 25 FEET OUTBY SPAD 34251 IN #6 ENTRY ALONG 2 WEST BELT EXTENDS OUTBY FOR ABOUT 80 FT X 18 FT WIDE. THE STRATA THAT FAILED IS 6-8 FEET HIGH MADE UP MOSTLY OF SHALE SUPPORTED WITH 4 FT BOLTS AND CRIBS UNDER A RUNNER IN THIS AREA. AREA WAS DANGERED OFF. NO CLEAN UP PLANS.