MineArchiveMoelwyn Slate Company
J. Solomon Jones's company, which ran the quarry from 1891 to its closure in 1897.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Moelwyn Quarry | Gwynedd | 1891–1897 |
Record created: 24 September 2026 · Last researched: 24 September 2026
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