Seam Analysis - Treforgan Colliery, Red Vein Seam, S1 Drivage. Sampled 15th February 1971 (1456/71/WW) Mar 1971
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1586
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- ReferenceGB 216 D/D PRO/NCB/6/1586
- Dates of CreationMar 1971
- Language of MaterialEnglish
- Physical Description1 file