ACCIDENT HAPPENED ON 6/13/00; VICTIM DIDN'T RPT IT UNTIL 6/20/00. HE WAS HELPING MAKE A BELT SPLICE ON THE #4 BELT CONVEYOR LINE, MINE HEIGHTAPPOX. 38"" TO 42"" AT THIS LOCATION. HE WAS SIT- TING ON THE MINE FLOOR WORKING A HAND-OPERATED CHAIN HOIST WHICH WAS BEING USED TO PULL THE BELT BACK TOGETHER WITH WHILE IN THIS PROCESS HESAID HE FELT A PAIN IN HIS LOWER BACK.