THE ABOVE MINE HAS EXPERIENCED A NON-INJURY UNINTENTIONAL ROOF FALL ON THE MAIN LINE BELT APP 5 CROSS CUTS OUT BY THE #1 BELT TAIL PIECE. THE FALL OCCURRED IN #4 ENTRY (BELT ENTRY). FROM 5 FT TO 6 FT THICK WIDE AND 20 FT LONG. SOME DAMAGE TO BELT STRUCTURE AND WATER LINE.