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When Silbury is tunnelled
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VenerableBottyBurp
675 posts

Re: Hang on Hang on !
Jun 02, 2005, 11:17
Personally I think you are quite right, and I raised this exact issue with EH. The business of water contributing to it was side-stepped - lets face it as the shaft wasn't properly backfilled in 1777 water must have been finding its way into that area nand directed down to the centre bottom by the river load ever since. (BTW Not a time for theories but this ability to deal with water is connected to what Silbury is about I feel.) They are saying the overturned turf stack has preserved this material beneath and it is in danger from a void that is linked to material in the shaft. This was their reason for using polystyrene at the top - so not to put more weight on this material and force it down into that void and crush what they want to get at. The air in this chamber and water is ruining their chances of calibration so the scientists (not EH) say. I am prepared to take their word for it because they were I believe sincere and I didn't in any event understand their reply.

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