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A firm of Dowlais Chambers, Cardiff, that owned Argoed Colliery in 1908, employing 29 men underground and four at the surface.
| Mine | Region | Years |
|---|---|---|
| Argoed Colliery | Caerphilly | ?–? |
Record created: 10 October 2026 · Last researched: 10 October 2026
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