MineArchiveLewis Lewis and Sons
Owners of Rock Colliery, Blackwood, in 1896, when it employed 46 men.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Rock Colliery, Blackwood | Caerphilly | 1896–? |
Record created: 19 September 2026 · Last researched: 19 September 2026
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