AN UNINTENTIONAL ROOF FALL OCCURRED 1-23 AT 9:05PM ON D-4 PANEL NO.36 BREAK 2-3 X-CUT AT #3 INTERSECTION INTO THE 3-4 CROSSCUT. THE FALL WAS 60 FT LONG BY 18 FT WIDE BY 14 FT HIGH. THE FALL CO NTAINED 6 FT RESIN BOLTS AND 2 14 FT CABLE BOLTS. APPROACHES HAVE BEEN CRIBBED AND DANGERED OFF.THE FALL WILL NOT BE CLEANED UP.