Cwmgwili Colliery. Identification of Seam - Probably Gras (1160/67/1) May 1967
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1328
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- ReferenceGB 216 D/D PRO/NCB/6/1328
- Dates of CreationMay 1967
- Language of MaterialEnglish
- Physical Description1 file