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George Bower and partners, who took over Birchgrove Colliery in 1874 and opened a patent fuel works at its Sisters Pit in 1875.
| Mine | Region | Years |
|---|---|---|
| Birchgrove Colliery | Swansea | 1874–? |
Record created: 10 October 2026 · Last researched: 10 October 2026
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