EE WAS OPERATING A LOADER UNDERGROUND IN THE MINE. THE FRONT EDGE OF THE BUCKET HIT A STEEL RIB SET WHICH STOPPED THE VEHICLE ABRUPTLY. HE HIT THE DOOR FRAME BREAKING HIS HARDHAT AND VEHICLE W INDOW. THIS RESULTED IN A LACERATION ABOVE HIS RIGHT EYE. STITCHES WERE APPLIED WHEN HE ARRIVED AT LUTHERN MEDICAL CENTER. RELEASED TO COME BACK TO WORK.