OPERATOR LOST POWER IN THE HAUL TRUCK HE WAS DRIVING AS HE DESCENDED THE 20 PERCENT HAUL ROAD GRADE. THE TRUCK FREE-WHEELED TO THE BOTTOM OF THE HILL, WENT UP THE BANK AT THE END OF THE ROAD, AND LAID OVER ON ITS SIDE. EMPLOYEE WAS TAKEN TO THE HOSPITAL AND TREATED FOR BRUISED AND RELEASED.