Opencast Trial Pit - Llwyn Site. Yard Seam (177/57/9/O.C.). Also includes attached memoranda. Apr 1957
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/382
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- ReferenceGB 216 D/D PRO/NCB/6/382
- Dates of CreationApr 1957
- Language of MaterialEnglish
- Physical Description1 file