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Lötschberg not a membrane failure Lötschberg not a membrane failure
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From the Editor's Desk - 07 May 2020
Further information confirms that the situation in Lötschberg is readily explained and highlights the risk of underestimating the behaviour of groundwater regimes. Draining the groundwater at a heading has been known to cause settlement of 30cm and more, and the draining of a lake, at the top of the mountain. Warning is beware the water.

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