EE WAS OPERATING A MINER AT THE TIME OF THIS INCIDENT. HE STATED THAT A ROCK FELL OUT OF THE ROOF FROM BETWEEN TWO ROOF STRAPS LOCATED NEXT TO THE RIGHT RIB AND STRUCK HIM ON THE LOWER RIGHT L EG JUST ABOVE HIS ANKLE. IT STARTED TO SWELL, SOAN ICE PACK WAS APPLIED TO IT. HE CONTINUED TO WORK THE REST OF HIS SHIFT BUT STATED THAT IT HURT MOST OF THE NIGHT.