EMPLOYEE WAS TRAVELING FORWARD IN A SCOOP FROM #3 ENTRY TO #2 ENTRY TO PUSH OUT A LOAD OF SUPPLIES WHILE TRAVELING FORWARD. HE WAS TRAVELING BACK TO THE #3 ENTRY IN REVERSE IN LOW COAL CONDITI ONS WHEN HIS HEAD CAME IN CONTACT WITH THE MINE ROOF AND THE SEAT BACK REST. IT APPEARS THE EDGEOF HIS HARD HAT CAUSED A LACERATION TO HIS HEAD.