UPON AN INVESTIGATION THE EMPLOYEE WAS OBSERVING THE CONTINUOUS MINER MINING THE FINIAL PUSH OUT IN THE PILLAR BLOCK #106. THE EE WAS POSITIONED APPROX. 40' FROM THE MACHINE WHEN HE WAS STRUCK IN THE CHIN BY A FLYING ROCK COMING FROM THE CUTTER DRUM. THE EE RECEIVED SUTURES TO CLOSE THE WOUND & RETURNED TO WORK ON HIS NEXT SCHEDULED SHIFT.