Seam Analysis - Brynlliw Colliery. Seams - Swansea 3 Feet, Swansea 6 Feet, Sampled - 27th October 1971, 3rd November 1971 (1487/71/WRL) Dec 1971
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1562
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- ReferenceGB 216 D/D PRO/NCB/6/1562
- Dates of CreationDec 1971
- Language of MaterialEnglish
- Physical Description1 file