(Facility) Mount Isa Copper Smelter

PINCOCK, ALLEN & HOLT, INC.; THE DEVELOPEMENT OF ENGINEERINGOPERATING AND ENVIRONMENTAL COST DATA FOR INTERNATIONALCOPPER SMELTING AND REFINING OPERATIONS - MT. ISAAUSTRALIA, VOL 1 & 2. BUMINES CONTRACT J0290007, APRIL1990; FOR INF., CONTACT S.W. TOWLE, TPO, BUMINES-MAFO,DENVER, CO.MINING BULLETIN MONTHLY; AUSTRALIA TAKES A MORE REFINEDAPPROACH, MAY 1992, P. 10-15.METALS WEEK, 4/13/92, P. 6."ISAMELT COMMISSIONING AT MOUNT ISA", METALS WEEK, 8/31/92,P. 1.CHARLES RIVER ASSOCIATES SMELTER PROFILE, MT ISA SMELTER,AUGUST 8, 1986, P. 1.