Leary, Richard J.
Capital and labor requirements for iron ore mining and beneficiating / by Richard J. Leary and David J. Kusler. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - iv, 101 p. : ill., map ; 27 cm. - Report of investigations ; 8033 .
92015014
Iron ores--Prices.--United States
Iron ores--Costs.--United States
Iron mines and mining--Finance.--United States
Iron mines and mining--Production standards.--United States
Capital and labor requirements for iron ore mining and beneficiating / by Richard J. Leary and David J. Kusler. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - iv, 101 p. : ill., map ; 27 cm. - Report of investigations ; 8033 .
92015014
Iron ores--Prices.--United States
Iron ores--Costs.--United States
Iron mines and mining--Finance.--United States
Iron mines and mining--Production standards.--United States