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Bureau of mines research 1978 : a summary of significant results in mining, metallurgy, and mineral economics

By: United States. Bureau of Mines. Department of the Interior.
Material type: TextTextPublisher: Washington, D.C. : United States Government Printing Office, 1979Description: 149 p. : ill. ; 27 cm.Subject(s): Mining engineering | Mining machinery -- Automatic controlDDC classification: 622
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