| Reference | {Deposit:: ALUMINUM PRODUCTION COST SURVEY, 1980-1985 BROOK HUNT AND}{Deposit:: ASSOCIATES LTD. PG.293 (RECORDS 5, AND 1-2)}{Deposit:: INHOUSE MAFO INFORMATION (3-4)}{Deposit:: CRU ALUMINUM COST SERVICE 1989-1990, VOLUME 2: ALUMINA COSTS}{Deposit:: AND MARKET OUTLOOK: 1988-1992 PG. 57 (RECORDS 6-7)}{Deposit:: METALS WEEK. JUNE 1, 1992.} |