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Heap leach mining comes to South Dakota

Archived Article - April 13, 1987 by Peter Carrels

Wharf Resources's open pits, roads, parking lots, heap leach piles, holding ponds and refinery are a vast, complex earth-moving enterprise in the Black Hills. Download entire issue to view this article: http://www.hcn.org/issues/19.7/download-entire-issue

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