Blasting bore and vein

The evidence this is the mine and not Owain's cave, If Glyndwr had explosives I'm sure history would have been very different!
The seam is in the roof of the tunnel, material having been removed from under it by drilling upwards then blasting.

This photograph is by Strangely Brown and was uploaded January 9^th 2010. © Strangely Brown please do not copy or distribute without prior express permission.

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