MineArchiveOcean Coal Company
One of the larger coal-owning combines in the South Wales coalfield during the interwar period; operated Nine Mile Point Colliery at the time of the October 1935 stay-down strike.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Avon Colliery | Neath Port Talbot | 1912–1947 |
| Deep Navigation Colliery | Merthyr Tydfil | 1893–1947 |
| Eastern Colliery | Rhondda Cynon Taf | 1887–1947 |
| Garw Colliery | Bridgend | 1883–1946 |
| Lady Margaret Colliery | Rhondda Cynon Taf | 1926–1947 |
| Lady Windsor Colliery | Rhondda Cynon Taf | 1887–1947 |
| Maindy Colliery | Rhondda Cynon Taf | ?–? |
| Nine Mile Point Colliery | Caerphilly | ?–? |
| Risca New Pit | Caerphilly | 1928–1947 |
Record created: 26 August 2026 · Last researched: 26 August 2026