John Morris and George Byng Morris
Owners of Pentre Colliery near Landore, Swansea, in 1840; G. B. Morris held it alone from 1843.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Callands Pit | Swansea | 1840–? |
Record created: 10 October 2026 · Last researched: 10 October 2026