Seam Analysis - Brynlliw Colliery. Six Feet Seam. S21 Face. Sampled 21st January 1971 (1442/71/WW) Feb 1971
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1599
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- ReferenceGB 216 D/D PRO/NCB/6/1599
- Dates of CreationFeb 1971
- Language of MaterialEnglish
- Physical Description1 file