EE WAS TAKING D-7 TO SHOP TO FUEL & SERVICE. HE HAD TO TRAVEL DOWN A STEEP INCLINE AT BACK OF RAW MATERIAL SHED. EE HAD THE DOZER IN A HIGH GEAR AS HE WENT DOWN STEEP INCLINE, THE BLADE WENT I NTO GROUND STOPPING THE EQUIPMENT. EE'S HEAD HIT THE WINDSHIELD BUSTING THE GLASS & INJURED EE.