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Gold mining - Wikipedia,Gold is also produced by mining in which it is not the principal product. Large copper mines, such as the Bingham Canyon mine in Utah, often recover ...
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Canadian Mineral Production,31 May 2019 ... Canada's top five mineral products by value for 2018 were gold $9.6 billion ... Only copper production saw its value decrease from last year -3.1% . ... March 2018, but were down by nearly a third towards the end of the year.
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