MineArchiveManganese mines in Gwynedd
Commodity: Manganese · Region: Gwynedd
| Mine | Worked | Commodities |
|---|---|---|
| Hafotty Manganese Mine | December 1885–1894 (underground working); intermittent surface trials to around 1924 | Manganese |
See all Manganese mines, or all mines in Gwynedd.