| Reference | {Deposit:: AMERICAN METAL MARKET, DEC. 5, 1986.}{Deposit:: METAL BULLETIN MONTHLY, AUG. 1992, P. 87-89.}{Production:: ALUMINUM PRODUCTION COST SURVEY, 1980-1985 BROOK HUNT AND}{Production:: ASSOCIATES LTD. PG.301 (RECORDS 1-3, 8-10)}{Production:: ALUMINUM PRODUCTION COST SURVEY, 1988 BROOK HUNT AND ASSOC-}{Production:: IATES LTD. PG. 2.32 (RECORDS 4-7,9-11)} |