A ROOF FALL OCCURRED AND INITIALLY FELL FROM THE NO. 1 ENTRY OVER TO THE INTERSECTION OF THE NO. 2 ENTRY. LATER THE ROOF FELL FROM THE NO. 2 ENTRY OVER TO & INCLUDING THE INTERSECTION OF THE N O. 3 ENTRY AND FROM THE LAST OPEN XCUT OF THE NO. 1 ENTRY DOWN THE ENTRY APPROX. 40'. THE FALL MEASURED APPROX. 170' LONG BY 18-20' WIDE BY 5' THICK. ROOF IN THE AREA CONSISTED OF LAMINATED B