EE WAS DRIVING HAUL TRUCK. IT STARTED RAINING ABOUT 8:00 A.M. AND WHEN IT HIT THE GROUND IT FROZE. EE WAS PULLING A SMALL HILL AND SPUN OUT. EE LOCKED THE TRUCK BRAKES AND THE TRUCK SLID BACK DOWN THE GRADE AND TURNED OVER TO THE RIGHT SIDE. (EE WAS NOT EJECTED.)