The Black Lake open pit asbestos mine aka Lac d'amiante du Canada (LAC) which is owned by LAB Chrysotile which is located in Thetford Mines, Quebec, Canada. Thetford Mines was founded in 1876 after the discovery of large asbestos deposits in the area. The city became a hub for one of the world's largest asbestos-producing regions...(Credit Image: © Louie Palu/ZUMA Press)..