Wellcome

Principles of mining : valuation, organization and administration : copper, gold, lead, silver, tin and zinc Herbert C. Hoover

By: Hoover, Herbert CMaterial type: TextTextLanguage: eng Publication details: New York : McGraw-Hill Book Company, Inc., 1909Description: vii, 199 p. ; 24 cmSubject(s): Mines and mineral resources | Mining engineering | Mine management | Mine valuation | Mineral industriesDDC classification: 622 HOO
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