Cynheidre Colliery. Float and Sink Analysis of Feed to Washery (1720/SW/81) Oct 1981
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1797
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- ReferenceGB 216 D/D PRO/NCB/6/1797
- Dates of CreationOct 1981
- Language of MaterialEnglish
- Physical Description1 file