Rare earth elements are an easy-to-find, hard-to-refine resource critical for everything from magnets and electronics to ...

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OAKLAND — The difference in mining methods will have a lot to do with how the ground above the mine comes out, two experts told a crowd of area people in a potential mining hotbed Tuesday. Subsidence, ...

A recent study published in Engineering presents a novel method for addressing the environmental challenges posed by coal mining, specifically focusing on the treatment of coal mine goafs, utilization ...