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The company that reopened Rockwood at Taffs Well as New Rockwood Colliery in 1937 and worked it until nationalisation.
| Mine | Region | Years |
|---|---|---|
| Rockwood Colliery | Rhondda Cynon Taf | 1937–1947 |
Record created: 4 October 2026 · Last researched: 4 October 2026
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