Abercrave Colliery Middle Vein. Size yields of Run-Of-Mine coal produced before and after introduction of Machine Undercutting (379/59/9)
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/585
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- ReferenceGB 216 D/D PRO/NCB/6/585
- Dates of CreationJun 1959
- Language of MaterialEnglish
- Physical Description1 file