D. Edwards and Sons
Owners of Blaenmawr Colliery near Cymmer in 1917-18; not members of the Monmouthshire and South Wales Coal Owners Association. No further detail has been found.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Garth Colliery, Tonmawr | Neath Port Talbot | 1917–1918 |
Record created: 2 October 2026 · Last researched: 2 October 2026