Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Nant Peris copper mine shaft, report
Report on the photographic examination of the Nant Peris copper mine shaft. Photocopy of eight page report, stapled top left. The report was prepared by Robertson Research International Limited for Cementation Ground Engineering Limited.
Pwnc
Diwydiant
Rhif yr Eitem
2008.116/1
Mesuriadau
Meithder
(mm): 298
Lled
(mm): 212
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