MineArchiveThomas Powell
A major early South Wales coal owner, active from 1811 in the Gelligaer area (including Llancaiach) and from 1829 more widely, one of the industry's pioneering entrepreneurs in the region.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Abergwawr Colliery | Rhondda Cynon Taf | 1854–1864 |
| Buttery Hatch Colliery | Caerphilly | 1833–1865 |
| Gelligaer Colliery | Caerphilly | 1828–? |
| Llancaiach Colliery | Caerphilly | 1811–? |
| Lower Duffryn Colliery | Rhondda Cynon Taf | ?–1864 |
| Middle Duffryn Colliery | Rhondda Cynon Taf | 1843–1864 |
| New Tredegar Colliery | Caerphilly | 1853–1863 |
| Old Duffryn Colliery | Rhondda Cynon Taf | 1840–1864 |
| Pen-y-fan Colliery | Blaenau Gwent | 1854–1864 |
Record created: 2 September 2026 · Last researched: 2 September 2026