Cynheidre Colliery. An Assessment of Degradation of coal caused by the Retarder Scraper Conveyor in Cross Measure 2. April, 1967. Jun 1967
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1319
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- ReferenceGB 216 D/D PRO/NCB/6/1319
- Dates of CreationJun 1967
- Language of MaterialEnglish
- Physical Description1 file