A.R. Williams and David W. Lewis
Worked Cefn Parc Colliery under National Coal Board licence from its 1952 opening until 1954.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cefn Parc Arlais Colliery | Neath Port Talbot | 1952–1954 |
Record created: 14 September 2026 · Last researched: 14 September 2026