Seam Analysis - Blaengwrach Colliery, Six Feet Seam. Sampled 7th and 8th December 1971 (1504/72/WRL) Apr 1972
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1726
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- ReferenceGB 216 D/D PRO/NCB/6/1726
- Dates of CreationApr 1972
- Language of MaterialEnglish
- Physical Description1 file