MineArchiveCharles Hopkinson and Son
Owners of Birchgrove Colliery, Llansamlet, by 1880, trading as the Birchgrove Coal Co.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Birchgrove Colliery | Swansea | ?–? |
Record created: 10 October 2026 · Last researched: 10 October 2026
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