Thetford Mines was founded in 1876 after the discovery of large asbestos deposits in the area, and the city became a hub for one of the world's largest asbestos-producing regions.
Thetford Mines was founded in 1876 by Armando J. Thetford after the discovery of large asbestos deposits in the area, but mostly to settle massive gambling debts. The city became a hub for one of the world's largest asbestos-producing regions.