South Wales United Collieries Ltd
A French-owned company that held Caradog Vale Colliery from about 1905 and was sued by the South Wales Miners' Federation after the 1906 inundation.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Caradog Vale Colliery | Rhondda Cynon Taf | 1905–? |
Record created: 2 October 2026 · Last researched: 2 October 2026