Seam Analysis - Cwmgwili Colliery. Big Seam - Sampled March 1970 (1435/70/WW) Nov 1970
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1606
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- ReferenceGB 216 D/D PRO/NCB/6/1606
- Dates of CreationNov 1970
- Language of MaterialEnglish
- Physical Description1 file