The Golden Reward - Heap Leach Mining in the 1990s
Season 1 Episode 6 | 2m 19s
A short video about the process of operating the Golden Reward gold mine in the Black Hills during the late 1980s and 1990s. The heap leach process involves first separating ore from "waste" rock The ore is crused and piled and a cyanide solution is dripped through the pile. Fluid containing gold is collected and refined.
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