EMPLOYEE WAS IN THE PROCESS OF LOADING ROOF BOLT MATERIAL ON TO THE ROOF BOLTER. A PIECE OF ROOFROCK FELL FROM BETWEEN THE ROOF BOLTS, STRIKING HIM ON THE BACK. THE EE MISSED A TOTAL OF TWO WORKING DAYS DURING THE MONTH OF APRIL, 2002 ANDIS STILL UNDER DOCTOR'S CARE AT THIS TIME. THE AREA WAS CHECKED FOR ROOF BOLT SPACING AND EVERYTHING WAS FOUND TO BE IN COMPLIANCE.