Lienert, Charles E.Chappuis, Maria T.2022-06-012022-06-011983https://hdl.handle.net/11124/13884Includes bibliographical references.masters thesesengCopyright of the original work is retained by the author.Metal trade -- PricesMetallurgy -- EstimatesDecision makingOre-dressing -- EstimatesEconomic optimization of the metallurgical performance of an operating concentratorText