Production Department (Geological Branch) And Scientific Department (Coal Survey) report on Five Surface Boreholes At Cynheidre Colliery Boreholes 3/1, 3/2, 4/1, 4/2, 5/1. No. 1 (Swansea) Area. Part IV - Borehole 4/1. Part V - Borehole 4/2. Part VI - Borehole 5/1 (2065) Sep 1962
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/173
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- ReferenceGB 216 D/D PRO/NCB/6/173
- Dates of CreationSep 1962
- Language of MaterialEnglish
- Physical Description1 file