No. 9 Area. Rhydyfro Borehole. Seams and Thin Coals to depth of 1000ft (1767) Jan 1956
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/130
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- ReferenceGB 216 D/D PRO/NCB/6/130
- Dates of CreationJan 1956
- Language of MaterialEnglish
- Physical Description1 file