THE JAW PLANT WAS SHUT DOWN AFTER A ROCK WAS JAMMED IN THE CONVEYOR. THERE WERE 2 WORKERS, ONE USED THE BOBCAT TO PUSH THE ROCK AND THE OTHER WORKER STARTED REMOVING THE ROCK. INJURED CRAWLED OUT OF THE BOBCAT TO SEE WHAT WAS GOING ON. HE BENT OVER AND TOOK HIS HARD HAT OFF TO SEE. THIS IS WHEN THE OTHER WORKER THREW THE ROCK BEHIND HIM & HIT EE IN THE HEAD. HE RECEIVED A FEW STITC