Analysis of Inferior Stocks, Etc. Index. 1 Coal in GCG Washery Discard, 2 Onllwyn Washery Fines. 3 Onllwyn Washed Duff (Mixed D/M and O/C). 4 Banwen washed Duff. 5 Maesgwyn B Stock, Filter Coke. 6 Rhyd Seam R.O.M. 7 Rhyd Seam, Sulphur. 8 Summary of Results (1644/77/SW) Oct 1977
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- ReferenceGB 216 D/D PRO/NCB/6/1764
- Dates of CreationOct 1977
- Language of MaterialEnglish
- Physical Description1 file