This is an artificially collated series of previously unreferenced negatives in the National Coal Board collection.
Ystrad Mynach Mining Society
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- ReferenceGB 214 DNCB/14/4/158/3
- Dates of Creation[1960-1972]
- Physical Description19 Plastic Negatives, 1 Glass Plate Negative
Original Glamorgan Archives Box numbers: DNCB/48/3, DNCB/48/4.