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Re: To the Heart of the Matter
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Other updates might have it in but I know update 6 does? As far as I can see, it shows old tunnels as well as the voids EH found out about after the shaft collapse a few years ago. The red line is void caused by the shifting of the 1849(?) tunnel and material in between that and the other tunnels is obviously collapsed stuff that should be at the top of the red line but has fallen down with the shifting and rested on top of the '68 tunnel. So that's voids in the first half of the tunnel, then the ones further along are the central void?

That's what it looked like. Maybe the voids got worse after the rain but they look so far outside of the original metal supports it would probably take aaaaages to go in and shore up the voids above, causing more delays and movement in the hill before they fill it anyway.


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Posted by Etton
18th November 2007ce
16:28

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To the Heart of the Matter (Littlestone)

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Re: To the Heart of the Matter (nigelswift)

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