A ROOF FALL MEASURING 20' L X 20'W X 4'H, OCCURRED IN THE #4 ENTRY OF 1ST LEFT SECTION AT SURVEY STATION 397. THE FALL WHICH IS IN AN INACTIVE AREA OF THE MINE WAS DISCOVERED BY THE MINE EXAMI ONER ON HIS WEEKLY RUN. THE FALL DOES NOT AFFECT TRAVEL OR VENTILATION AND WILL NOT BE CLEANED UP.