(Springfield, OR) -- A wood-products plant in Springfield is heavily damaged following a fire that prompted an evacuation within a one-mile radius. The fire was reported around 4:40 p.m. yesterday at the Swanson Group Manufacturing Plywood and Veneer facility on South F Street. Witnesses reported hearing a loud explosion before the blaze started. Residents of Creswell, about ten miles away, reported seeing smoke from the fire.