AN UNINTENTIONAL ROOF FALL OCCURRED AT 2NHG INTAKE TRAVELWAY @ 115N ENTRY #2 (MILLENNIUM PORTAL). THE FALL WAS APPROXIMATELY 50' LONG, APPROXIMATELY 20' WIDE AND APPROXIMATELY 20' THICK. THE F ALL DID NOT AFFECT VENTILATION OR PASSAGE OF MINERS. THE FALL WAS CLEANED UP BY A CONTINUOUS MINER.