(Appleton MN-) A truck driver is dead after his semi tractor-trailer left Highway 12 and rolled in Swift County Monday morning. The state patrol says at 9 a.m. 72-year-old Douglas Anderson of Boyd was traveling eastbound on Highway 12 when he left the road at 210th Avenue, near Appleton, entered the ditch and rolled. Anderson was taken to the Appleton Hospital where he died.