FREELANDVILLE (WIBQ) - A man is dead after an accident at the Triad Mine in northern Knox County. The Freelandville Fire Department says it was called to the mine at around 5:15 Tuesday night. 25-year-old Brian Mason of Linton, Indiana was driving a large surface mine truck when the truck went off a high wall and fell around 100 feet to the ground. Emergency crews had to cut Mason out of the truck. He was life-flighted to the hospital where he later died.