AN UNPLANNED ROOF FALL OCCURRED ON THE MAIN LINE TRACK AT THE RADIUS SWITCH NEAR THE POND FORK PORTAL. THE FALL MEASURED 18 FT WIDE, 20 FT LONG. 3.5 FT HIGH. THE FALL WILL BE SUPPORTED WITH RO OF BOLTS AND THE MATERIAL CLEANED UP. THIS AREA OF THE MINE HAD BEEN DEVELOPED IN MARCH 1966.