Seam Analysis Report. Cynheidre 1 and 2 Colliery. Four Feet and Upper Six Feet Seam, Big Vein (1679/79/SW(W)) Jun 1979
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1732
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- ReferenceGB 216 D/D PRO/NCB/6/1732
- Dates of CreationJun 1979
- Language of MaterialEnglish
- Physical Description1 file