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The McArthur River Uranium Mine, in northern Saskatchewan, Canada, is the world's largest high-grade uranium deposit. The mine is owned by Cameco (70%), and Orano Canada (30%) (formerly Areva Resources Canada, formerly COGEMA Resources Inc.). Cameco is the mine operator. In 2012, McArthur River was
the world's largest producing uranium mine, accounting for 13% of world mine production. Canada, as a whole, produces 15% of the world's uranium production.
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