MineArchiveNorth's Navigation Collieries Company Limited
Took over Park Slip Colliery in 1878, working the difficult geology near the South Wales Coalfield's southern outcrop; renamed from North's Navigation Ltd in 1899.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Caedefaid Colliery | Bridgend | 1889–1908 |
| Caerau Colliery | Bridgend | 1889–? |
| Coegnant Colliery | Bridgend | 1889–1947 |
| Garth Merthyr Colliery | Bridgend | 1920–? |
| Maesteg Deep Colliery | Bridgend | ?–? |
| Oakwood Colliery | Bridgend | 1920–1928 |
| Park Slip Colliery | Bridgend | 1878–1904 |
| St John's Colliery | Bridgend | 1908–1946 |
Record created: 27 August 2026 · Last researched: 27 August 2026