EE WAS GUIDING AUGER ON BULK TRK TOWARD THE HOLEHE WAS FILLING WITH BLASTING AGENT WHEN HE FELT A STRAIN IN HIS BACK HE WENT TO DR ON 1/14/00 HE WAS NOT PUT ON MODIFIED DUTY OR LIGHT DUTY BY T HE DR HE WENT TO DIFFERENT DR 2/3/00 AFTER PAIN KEPT GETTING WORSE. DR PUT HIM OFF WORK 2/28/00 AFTER HE RETD TO DR ON 2/25/00