text: BHP Billiton approves Chile copper project, Western Australia iron &lt;b&gt;...&lt;/b&gt; SYDNEY: BHP Billiton said it has approved a copper project in northern Chile costing 990 million US dollars and the expansion of its iron ore operations in Western Australia.
inputs: BHP Billiton approves Chile copper project, Western Australia iron &lt;b&gt;...&lt;/b&gt; SYDNEY: BHP Billiton said it has approved a copper project in northern Chile costing 990 million US dollars and the expansion of its iron ore operations in Western Australia.