EMPLOYEE WAS OPERATING A S-CAR HAULING COAL FROM THE MINER. WHILE DOING SO THE CONSTANT JARRING CAUSED HIM TO HAVE PAIN IN HIS LOWER BACK. HE CONTINUED TO WORK UNTIL 4/15/03 AT THAT TIME HE NO TIFIED MINE MANAGEMENT AND WENT TO THE DOCTOR ON HIS OWN. HE IS STILL OFF WORK AT THIS TIME.