MineArchiveGuest and Company
Operated Fochriw Colliery briefly in 1901-1902, in the transition from Dowlais Iron Company ownership to the newly formed Guest, Keen and Nettlefolds Limited.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Fochriw Colliery | Caerphilly | 1901–1902 |
| Penydarren Colliery | Merthyr Tydfil | 1835–? |
Record created: 2 September 2026 · Last researched: 2 September 2026