Seam Analysis - Treforgan Colliery. Seam: Red Vein, Faces: R4, R6 and South Intake heading. Sampled: July and September 1970 (1445/71/WW) Feb 1971
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1596
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- ReferenceGB 216 D/D PRO/NCB/6/1596
- Dates of CreationFeb 1971
- Language of MaterialEnglish
- Physical Description1 file