MineArchiveGelligaer Coal Company
Thomas Powell's company, which held Llancaiach Colliery by 1847.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Llancaiach Colliery | Caerphilly | 1847–? |
Record created: 18 September 2026 · Last researched: 18 September 2026
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