Mountain Colliery. Brynlliw Area - Gas Emission Surveys. B Conveyor East Side (13/53/1) Apr 1953
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/241
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- ReferenceGB 216 D/D PRO/NCB/6/241
- Dates of CreationApr 1953
- Language of MaterialEnglish
- Physical Description1 file