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A Penarth company that bought the Glanddu mine near Pengam in 1928 and closed it in June 1931 on going into liquidation.
| Mine | Region | Years |
|---|---|---|
| Glanddu Colliery | Caerphilly | 1928–1931 |
Record created: 11 October 2026 · Last researched: 11 October 2026
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