AN UNINTENTIONAL ROOF FALL OCCURRED AT THE MILLENNIUM PORTAL ENTRY #1 ENTRY OF THE 1ST NORTH TAILGATE AT 1845'NORTH. THE FALL WAS APPROX. 20'LONG X 5-6'WIDE AND APPROX 2-8'THICK. THE FALL DID NOT AFFECT VENTILATION OR PASSAGE OF MINERS. THE AFFECTED AREA WAS MINED PAST. THE TAILGATE IS NOW OPEN.