| Reference | {Deposit:: PINCOCK, ALLEN & HOLT, INC. THE DEVELOPMENT OF ENGINEERING}{Deposit:: OPERATING AND ENVIRONMENTAL COST DATA FOR INTERNATIONAL}{Deposit:: COPPER SMELTING AND REFINING OPERATIONS. BUMINES CONTRACT}{Deposit:: J0290007; FOR INF. CONTACT S.W. TOWLE, TPO, BUMINES-MAFO,}{Deposit:: DENVER, CO.}{Deposit:: CRU COPPER STUDIES. V. 19, NO. 5, 11/91, P6.} |