THE SECTION WAS ON PILLARS, THE EMPLOYEE HAD MOVED THE CURTAIN FROM #2 AND WAS HANGING IT IN THEBREAK BETWEEN #2 AND #3 WHEN A ROCK FELL OUT FROM BETWEEN THE RIB AND THE OUTSIDE BOLT STRIKING THE EMPLOYEE ON THE BACK. THE EMPLOYEE WORKED WITH NO RESTRICTIONS UNTIL 9-28-00 AT WHICH TIME HE WAS PLACED ON RESTRICTIONS.