来自MSN3 个月
Opinion: Legal landmines prevent volunteers from cleaning up abandoned mines. Congress can ...Federal agencies have identified at least 140,000 abandoned hardrock mines scattered across America. Utah’s Abandoned Mine Reclamation Program estimates that Utah has about 17,000 abandoned mine ...
Cleveland-Cliffs said it would temporarily idle two of its Iron Range mines and taconite pellet plants and lay off 630 workers. The iron ore mining and steel-making company said it would idle its ...
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