DURING AN EXAMINATION OF MAIN RETURN A ROOF FALLWAS DISCOVERED BY SUPERINTENDANT. A STATE INSPECTOR A HILL SEAM WAS DISCOVERED. A FALL APPROX. 20'X30'X4' AROUND SPAD #252 IT IS APPROX. 1000 TO 1500FT FROM FACE AREA. NO AIRWAY OR TRAMEL AREA WAS AFFECTED THE PLACE WAS TIMBERED AND DANGERED OFF.