326 resultados para Iron mines and mining
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Mode of access: Internet.
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Contains articles on iron and steel statistics, on the improvement of methods of producing iron and steel, and on the promotion of health and safety among employees.
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Mode of access: Internet.
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Indexes to v.59-124 also index v.1-20 of Carnegie Scholarship Memoirs.
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Vols. -1952 issued as a supplement to division's Mineral information service; as division's Special publication.
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Mode of access: Internet.