No. 9 Area. Onllwyn No. 1 Colliery. Seam exposed in the roof of the Eighteen Foot Workings (1765) Jan 1956
Archive Unit
- For more information, email the repository
- Advice on accessing these materials
- Cite this description
- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/131
- This material is held at
- ReferenceGB 216 D/D PRO/NCB/6/131
- Dates of CreationJan 1956
- Language of MaterialEnglish
- Physical Description1 file