EE WAS WORKING IN QUARRY 24, ASSISTING LOADER IN MOVING A BELT SAW, WALKING ALONG HOLDING THE SAW BLADE, LOST BALANCE AND FELL 5 FT TO LOWER QUARRY FLOOR. LANDED ON RIGHT LEG, DISLOCATED RIGHT KNEE. TAKEN TO HOSPITAL, TREATED AND RLEASED TOHOME. FOLLOW UP VISIT WITH DR ON 1-29-03.