EE WAS OPERATING A CONTINUOUS MINER IN #5 HEADING. AS HE WAS EXTRACTING COAL A ROCK MEASURING 34"" LONG X 2"" - 24"" WIDE & UP TO 3"" THICK FELL FROM THE PERMANENTLY SUPPORTED ROOF BETWEEN A RIB B OLT & THE COAL RIB. THE ROCK STRUCK HIS RIGHT SHOULDER CAUSING A LACERATION TO THE RIGHT EAR. SUTURES WERE APPLIED.