EMPLOYEE STATED THAT WHILE SHOVELING IN DRILL CUTTINGS IN EXPLOSIVE HOLES, HE FELT PAIN IN HIS SHOULDER. EMPLOYEE DID NOT REPORT THIS UNTIL 4-19-04 TO ANYONE. WE INVESTIGATED THIS CLAIM AND OUR COMP CARRIER DECIDED TO ACCEPT IT. THE REPORT IS FILED LATE FOR THAT REASON. EMPLOYEE WORKED UP UNTIL 4-19-04 WHEN HE REPORTED THE INJURY. HIS FIRST DAY OFF WAS 4-19-04.