EMPLOYEE WAS USING A LOADER TO MOVE A LARGE ROCK OUT OF THE WORK AREA. AS HE WAS CARRYING THE ROCK UP THE ROAD, THE LOADER BECAME UNBALANCED AS IT TOPPED THE CREST OF THE ROAD. THE LOADER BUCK ET HIT THE GROUND CAUSING THE LOADER TO JAR THE EMPLOYEE. HE HIT HIS HEAD AGAINST THE FRONT WINDSHIELD CAUSING A LACERATION REQUIRING SUTURES.