A ROOF FALL OCCURRED IN THE ACTIVE 3 LEFT WEST LONGWALL TAILGATE, JUST INBY NO. 59 CROSSCUT. THE FALL APPEARED TO BE ABOVE THE ANCHORAGE ZONE, BUT COULD NOT BE DETERMINED AT THE TIME OF THE IN VESTIGATION. THE FALL WAS REPORTED TO MSHA UNDER PART 50 REPORTING CRITERIA. SAFE PASSAGE WAS IMPEDED OUT THE IMMEDIATE TAILGATE OF THE LONGWALL. THE APPROVED TAILGATE BLOCKAGE PLAN WAS IMPLE