WHILE PALLETIZING ROCK, CROSSBOARD BROKE AT JOINT ALLOWING ROCK TO FALL ON RT. FOOT. EMPLOYEE DID NOT FEEL IT WAS HURT BAD ENOUGH TO GO TO THE DR. UNTIL 9/05/05. THE DR. X-RAYED HIS ANKLE & FOUND THE BONE ON THE ANKLE WAS FRACTURED. THEY PUT HIS FOOT IN A BOOT & TOLD HIM TO WORK MODIFIED DUTY.