THE EE WAS OPERATING AN UNDERGROUND LOADER CLEARING OUT A HEADING. HE REPORTS HE WAS LOOKING AROUND THE SIDE OF THE OPERATOR'S CAB AND HE THINKS HE HIT SOMETHING IN THE ROADWAY AND STRUCK HIS CHIN ON THE CAB, RESULTING IN A LACERATION. HE WAS TRANSPORTED TO ER FOR EVALUATION AND TREATMENT. HE RECEIVED THREE SUTURES TO REPAIR THE LACERATION.