Silurian Iron Ore Company
A Bangor-based company that took over the assets of the Phosphoric Iron Ore Company at Betws Garmon in 1913 and ran the Ystrad iron mine until its closure in 1919, through a wartime wage dispute in 1917.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Ystrad Iron Mine | Gwynedd | 1913–1919 |
Record created: 20 October 2026 · Last researched: 20 October 2026