3 ms·
In 1987, Phelps-Dodge closed the Douglas AZ copper smelter to avoid $94M in upgrades for EPA compliance because copper was only $0.60/lb. A very expensive mull
by nacozarina 7mo ago
In 1987, Phelps-Dodge closed the Douglas AZ copper smelter to avoid $94M in upgrades for EPA compliance because copper was only $0.60/lb. A very expensive mulligan if you chart it.