Thetford Mines(redirected from Thetford Mines, Québec)
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Thetford Mines,city (1991 pop. 17,273), S Que., Canada, NE of Sherbrooke and S of Quebec. The city, developed after the discovery (1876) of large asbestos deposits, is located in what formerly was one of the world's largest asbestos-producing regions; the mine closed in 2011.
a city in SE Canada, in S Quebec: asbestos industry. Pop.: 21 651 (2001)