MineArchiveWelsh Associated Collieries Limited
Formed in 1929 from the liquidation of the Cambrian Combine; owned Glamorgan Colliery through the 1932 disaster until coal winding ended in 1945.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Abercynon Colliery | Rhondda Cynon Taf | 1931–1936 |
| Britannic Colliery | Rhondda Cynon Taf | 1929–1935 |
| Duffryn Rhondda Colliery | Neath Port Talbot | 1930–1935 |
| Glamorgan Colliery | Rhondda Cynon Taf | 1929–1945 |
| Maesteg Deep Colliery | Bridgend | 1929–1935 |
Record created: 31 August 2026 · Last researched: 31 August 2026