Haul trucks drive along a haulage road next to an open pit at the Batu Hijau copper and gold mine operated by PT Newmont Nusa Tenggara in Sumbawa, West Nusa Tenggara province, Indonesia, on Wednesday, June 29, 2011. PT Newmont Nusa Tenggara is a unit of Newmont Mining Corp. Photographer: Dadang Tri/Bloomberg via Getty Images