THE INJURED WAS ORIGINALLY HURT ON 2-4-03 BUT DID NOT BEGIN MISSING WORK UNTIL 3-25-03. HE WAS INJURED AS HE AND 3 OTHERS WERE HANGING THE MINER CABLE AND WATER LINE ACROSS THE NO.6 ENTRY WHEN HE FELT PAIN IN HIS LOWER BACK. HE HAS A HISTORY OF LOWER BACK INJURIES AND HE CONTINUED TO WORK UNTIL 3-24-03 WHEN HE LEFT WORK TO GO TO A DR.