Principles of mining :
Hoover, Herbert C.
Principles of mining : valuation, organization and administration : copper, gold, lead, silver, tin and zinc Herbert C. Hoover - New York : McGraw-Hill Book Company, Inc., 1909. - vii, 199 p. ; 24 cm.
Includes index.
Mines and mineral resources
Mining engineering
Mine management
Mine valuation
Mineral industries
622 HOO
Principles of mining : valuation, organization and administration : copper, gold, lead, silver, tin and zinc Herbert C. Hoover - New York : McGraw-Hill Book Company, Inc., 1909. - vii, 199 p. ; 24 cm.
Includes index.
Mines and mineral resources
Mining engineering
Mine management
Mine valuation
Mineral industries
622 HOO