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Opened Henllys Colliery near Cwmbran about 1815 and owned it with the Henllys fireclay brickworks until at least 1869.
| Mine | Region | Years |
|---|---|---|
| Henllys Colliery | Torfaen | 1815–1869 |
Record created: 18 October 2026 · Last researched: 18 October 2026
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