MineArchiveImperial Navigation Coal Company Limited
A Port Talbot coal company, chaired by Henry Seymour Berry, that absorbed the Cynon Colliery Company in March 1920 and was itself placed into liquidation in 1935 with Cynon as its only remaining mine.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cynon Colliery | Neath Port Talbot | 1920–1935 |
Record created: 15 September 2026 · Last researched: 15 September 2026