MineArchivePowis Estate
Owned the mineral rights and drew an annual revenue of around £20,000 from Craig-y-Mwyn at its height following the mine's 1692 opening.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Craig-y-Mwyn Mine | Powys | 1692–? |
Record created: 22 August 2026 · Last researched: 22 August 2026