Apache Spring 23

24 more in collection Apache Spring: The Fight for Oak Flat [Photo-essay]

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The Pinto Copper Mine is an active mine located near Oak Flat. In contrast to this and other mines in the area, Oak Flat will use the "block cave" mining process. This involves a series of deep underground detonations that essentially collapses the mountainous terrain in on itself. The the ore and other materials are then extracted from a series of tunnels dug in the earth. This process creates more toxic material than conventional mining practices and produces greater contaminates affecting the ground water with acid runoff. But it's far more cost effective and stands to make Resolution Copper a far greater profit off the Oak Flat copper deposits.