Will looks up the shaft towards the surface at Bonc Siafft 282ft above him, surrounded by the broken remains of the shaft foot structure. As far as it is possible to tell this is almost identical to the foot structures found at Penrhyn Quarry. Unfortunately I didn't measure the bits at the time!
This photograph is by grahami and was uploaded October 18th 2007. © grahami please do not copy or distribute without prior express permission.
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