A ROOF FALL WAS FOUND IN THE #2 ENTRY OF RETURN ON 2ND LEFT PANEL, APPRX 50' INBY SPAD #47050. THE FALL MEASURED APPROX 30' LONG, 24' WIDE AND 4 1/2'- 5' THICK. VENTILATION AND PASSAGE WAS NOT AFFECTED AND THERE WERE NO INJUREIES AS A RESULT OF THE FALL. THE PERIMETER OF THE FALL WAS TIMBERED AND DANGERED OFF.