... in new mineral supplies in those countries. A major finding of the BNAC study is that a shift in new mineral exploration and development in developing countries has been under way owing to more hostile political trends and the growing threats to the... Development of the Hard Mineral Resources of the Deep Seabed: Hearings ... - Page 294 de United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining - 1978 - 642 pages Affichage du livre entier -
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