Powell Duffryn Steam Coal Company
The Powell Duffryn Steam Coal Company acquired Merthyr Vale Colliery in the early 1930s and operated it until the nationalisation of the coal industry in 1947.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Merthyr Vale Colliery | Rhondda Cynon Taf | 1930–1947 |
Record created: 21 August 2026 · Last researched: 21 August 2026