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The mining never stops, but Kennecott’s massive open pit grows — slowly
And they’ve been doing it for decades, creating an opening 2½ miles across that is visible from space. But 40 years ... once the world’s largest open-pit mine. Today it employs more than ...
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Training is key to transition mines to underground operations
Morales Garrido says: “The presence of an open pit causes the ... the underground training space, “making it an ideal solution for operations involving mixed mining activities, or those ...