AN UNINTENTIONAL ROOF FALL OCCURRED AT SPAD# 8+60 ON THE 3RD NORTHWEST PANEL OFF NORTHWEST SUBMAIN, #2 UNIT (MMU-002-0) #7 ENTRY. THE APPROACHES TO THE FALL HAVE BEEN TIMBERED OFF & THE AREA DANGERED OUT. IT MEASURED 40' X 19.5' X 15'. IT WILL NOT BE CLEANED UP. UNIT WAS MOVED OUTBY FALL AREA.