Abernant Colliery. Investigation of the yield of sized products from S1 face - Anderson Boyes H.D. Longwall Trepanner (1227/67/W.W.) Dec 1967
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- ReferenceGB 216 D/D PRO/NCB/6/1266
- Dates of CreationDec 1967
- Language of MaterialEnglish
- Physical Description1 file