THE EMPLOYEE WAS MOVING THE QUARRY DRILL TO A NEW LOCATION. THE EMPLOYEE WAS STANDING WHILE MOVING THE DRILL IN ORDER TO SEE BETTER. THE DRILL DROPPED UNEXPECTEDLY AND CAUSED HIS BODY WEIGHT T O BE SHIFTED TO THE LEFT LEG. THE EMPLOYEE NOTICED PAIN AFTERWARD AND REPORTED THE INCIDENT ON 5/30/01. HE STARTED SEEING A CHIROPRACTOR ON JUNE 6TH BUT THE CO. WAS NOT INFORMED UNTIL JUNE 20