As readily accessible ore deposits in this country are mined to depletion, mining companies must turn to deposits in remote, environmentally sensitive regions. Alaskan deposits may well offer opportunities for new production of many important minerals. Bureau of Mines engineers and scientists have begun a research program that features new technology for mining in Alaska. The program emphasizes efficient extraction of the mineral value while minimizing environmental disruption. Projects on borehole slurry mining, underground placer mining, back - filling, rock mechanics/mine design, and mine closure practices are reviewed.

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