WHILE CHANGING A TRACK ON A DOZER, THE CHAIN HOOK SLIPPED OFF THE BOGIE & STRUCK THE EE IN THE HEAD AREA RESULTING INS SIGNIFICANT TRAUMA TO THEHEAD AREA. THE EE WAS TRASNPORTED TO THE UNIVERS ITY OF UTAH MED CTR. EE PASSED AWAY 9/25 AS A RESULT OF THE INJURIES SUSTAINED IN THIS ACCIDENT.