Cilfrew Colliery Company
The company that opened Cilfrew Colliery near the Cilfrew tinplate works in the Dulais valley and also owned Rhydding Colliery near Neath in 1918. It stayed outside the Monmouthshire and South Wales Coal Owners' Association; J. E. Jones was its chairman.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cilfrew Colliery | Neath Port Talbot | ?–1929 |
Record created: 8 October 2026 · Last researched: 8 October 2026