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Worked Tyrdderwen Colliery at Grovesend, probably on the Grovesend Colliery ground, in 1898-1900.
| Mine | Region | Years |
|---|---|---|
| Grovesend Colliery | Swansea | 1898–1900 |
Record created: 10 October 2026 · Last researched: 10 October 2026
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