EE WAS OPERATING A CONTINUOUS MINER WHEN HE WAS STRUCK ON THE BACK OF NECK AND LEFT SHOULDER. THE ROCK WAS APPROX. 3' X 3' X 7"" AND FELL OUT BETWEEN THE RIB AND RIB BOLT. EE RECEIVED A HAIRLINE FRACTURE TO THE LEFT SHOULDER AND WAS FITTED WITH A BRACE AND RELEASED TO RETURN TO WORK.