Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Morfa Colliery (Port Talbot, Wales)., 1 canlyniadau
- Tylorstown Colliery (Tylorstown, Wales)., 1 canlyniadau
- Court Herbert Colliery (Cadoxton-juxta-Neath, Wales)., 1 canlyniadau
- Dynevor Coal Company (Wales)., 1 canlyniadau
- Great Western Colliery (Wales)., 1 canlyniadau
- Aberaman Colliery., 1 canlyniadau
- Plymouth Ironworks (Merthyr Tydfil, Wales)., 1 canlyniadau