Plan of mine workings in Brynlliw Colliery Swansea six feet seam, layout plan & projected ventilation, South District
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dz1008/d/dz1008/1
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- ReferenceGB 216 D/D Z 1008/1
- Dates of Creationc. 1982
- Language of MaterialEnglish
- Physical Description1 plan