MineArchiveCrawshay Brothers (Cyfarthfa) Ltd
The Crawshay family company that owned Cwm Colliery and the other Cyfarthfa pits at Merthyr Tydfil in the early twentieth century, before the Cyfarthfa interests passed out of the family.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cwm Colliery, Merthyr Tydfil | Merthyr Tydfil | ?–1924 |
| Cwmdu Colliery, Merthyr Tydfil | Merthyr Tydfil | ?–1924 |
Record created: 2 October 2026 · Last researched: 2 October 2026