Seam Analysis - Brynlliw Colliery, Six Feet Seam. S18, S19, S20 S21 Faces. Sampled 22-25th September 1970 (1434/70/WW) Nov 1970
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1607
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- ReferenceGB 216 D/D PRO/NCB/6/1607
- Dates of CreationNov 1970
- Language of MaterialEnglish
- Physical Description1 file