Ray Mears' Northern Wilderness

Koo Koo Sint - The Star Gazer (1x5)

Air date: Nov 22, 2009

The survival expert profiles 19th-century cartographer David Thompson, who mapped nearly four million square miles of North America - a feat that took him across Canada from the Rocky Mountains to the Pacific Ocean and helped establish coast-to-coast trade within the country, as well as defining the borders that kept it independent from the US