The world's production of metals
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Article
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1911
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Elsevier Science
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English
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The World's Production of Metals. ANON. (Mon. Scient., Mercure, v, 2i.)--There were produced in I9O9., 844,IOO tons of copper, about ioo,ooo tons more:than the previous year, and the consumption increased from 643,700 tons in 19o8 to 728,8oo tons in 19o 9 . The United States consumed 318,9oo tons in