The influences of coal mining collapse on the soil water dynamics in the fixed dune onthesoutheasternedge of MuUssandyarea were studied.

研究了采煤塌陷区适农土地表土剥离复垦和混推复垦对复垦后土壤理化性质的影响。

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Mining minister Laurence Golborne said miners would start being individually evacuated 68 days after the collapse of part of the gold and copper mine in the Atacama desert.

矿业部长劳伦塞·戈尔沃内说在阿塔·卡玛沙漠铜金矿部分坍塌68天后将开始对矿工一一实施救援。

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The mine's backer, Lafayette Mining of Australia, was already struggling financially, so any long delay in reopening risked causing its collapse.

该矿产的投资者，澳大利亚拉法耶特矿业公司，在财务上已捉襟见肘，任何开采的长期停滞将都导致其陷于崩溃。

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"We are working to build a ramp to keep on removing the rubble from the collapse, " regional mining secretary Mauricio Pino Sid said on Twitter.

BBC: Chile slow search for miner trapped 100m underground

Mr Twigg said many of the worst affected areas had suffered long term decline with the collapse of manufacturing and mining and a decline in tourism.

BBC: Clacton

Flooding and a pit wall collapse put an end to mining in the mid-1980s.

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