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Podcast: レアジョブ英会話 Daily News Article Podcast
Episode: A plan to extract gold from mining waste worries Colorado town
Description: Rust-colored piles of mine waste and sun-bleached wooden derricks loom above the historic Colorado mountain town of Leadville—a legacy of gold and silver mines polluting the Arkansas River basin more than a century after the city’s boom days.
The Environmental Protection Agency has been cleaning the area up for decades.
One fledgling company called CJK Milling says it can help—it would “remine” some of the waste piles to extract more gold and silver from ore discarded decades ago when it was less valuable. The waste would be trucked to a nearby mill, crushed to powder, and bathed in cyanide...