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The mineral industry and the young engineer

Strategic minerals investigations :procedure followed by the Bureau of Mines

Published Year

• 1930-1939 (2) *

Subject

• Mining engineering (2) *
• Mineral industries (1)
• Mines and mineral resources (1)
• Mines and mineral resources--United States (1)

Author

• Finch, John Wellington, (1)
• Turner, Scott, (1)

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