Global diversified miner BHP Billiton moved a step closer to expanding its large-scale Olympic Dam copper and uranium mine in Australia on Monday, after securing environmental approvals for the project.
See http://www.mineweb.com/mineweb/view/mineweb/en/page72068?oid=137155&sn=Detail&pid=92730 and
http://www.reuters.com/article/2011/10/10/bhpbilliton-idUSL3E7LA0FA20111010.…
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