Pwllgwaun Colliery Company
The last owner of Lanelay Colliery near Pontyclun, which it closed in the mid-1930s.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Lanelay Colliery | Rhondda Cynon Taf | ?–? |
Record created: 11 October 2026 · Last researched: 11 October 2026