HE OPERATED A LOADER ON 2-6-02, LOADER TIRE HIT A POTHOLE IN THE ROAD CAUSING HIS BACK TO BECOME MILDLY PAINFUL. HE OPERATED THE LOADER ON 2-8 AND 2-9. ON 2-9 HE WENT TO A LOCAL EMERBENCY ROOM WHERE HE WAS DIAGNOSED WITH A HERNIA OF A VERTEBRAE DISK.