The local citizens and activists of Coal River mountain Watch want Massey Energy to return to tunnel mining and use the mountaintop for a wind installation.

当地居民和“Coal River山看护者”的活动家们试图让Masey Energy公司重新使用隧道采矿法，并且利用山顶建造风电。

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Many of these mining engineers have already worked on projects like the Channel Tunnel and the Jubilee line extension so they're not easily impressed.

BBC: Crossrail: Passion deep below west London

Mining firm Freeport said at least four miners were rescued at its Grasberg mine after an underground tunnel collapsed early on Tuesday.

BBC: Freeport's Grasberg copper mine