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The world's great copper mines
Smith, Bertie Webster - 1967
Persistent link: https://www.econbiz.de/10000545282
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Proceedings of Metal Bulletin's First International Copper Conference, June 13 - 15, 1982, Copenhagen
Tarring, Trevor (ed.); Freeman, Lynda (ed.) - 1983
Persistent link: https://www.econbiz.de/10000661476
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Summarized data of copper production
Julihn, C. E. - 1928
Persistent link: https://www.econbiz.de/10000644832
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The world copper industry : its changing structure and future prospects
Takeuchi, Kenji; Strongman, John E.; Maeda, Shunichi - 1986 - 1. print.
Persistent link: https://www.econbiz.de/10000699825
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Die wirtschaftliche Bedeutung der Erz- und Mineralvorkommen im Belgischen Kongo
Eikenberg, Joachim Karl - 1927
Persistent link: https://www.econbiz.de/10000668580
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Michigan copper and Boston dollars : an economic history of the Michigan copper mining industry
Gates, William Bryam - 1951
Persistent link: https://www.econbiz.de/10000673376
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A history of copper mining in Cornwall and Devon
Barton, Denys Bradford - 1968 - 2. ed
Persistent link: https://www.econbiz.de/10000569271