Seam Analysis - Treforgan Colliery. Red Vein Seam. R5 Face and South Intake. Sampled 15th May and 5th October 1970 (1436/70/WW) Dec 1970
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1605
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- ReferenceGB 216 D/D PRO/NCB/6/1605
- Dates of CreationDec 1970
- Language of MaterialEnglish
- Physical Description1 file