No. 1 Area. Cynheidre Colliery. Seams in No. 1 and No. 2 Shafts. Interim Report on Analyses May 1955
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/101
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- ReferenceGB 216 D/D PRO/NCB/6/101
- Dates of CreationMay 1955
- Language of MaterialEnglish
- Physical Description1 file