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The company that sank a new shaft at Milfraen Colliery in 1865 and worked it until it closed in 1884.
| Mine | Region | Years |
|---|---|---|
| Milfraen Colliery | Torfaen | 1865–1884 |
Record created: 10 September 2026 · Last researched: 10 September 2026
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