MineArchiveFir Tree Coal Co. Ltd
Recorded as owners of Fir Tree Colliery at Harperley, near Crook, in the 1930s.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Fir Tree Colliery | County Durham | 1930–? |
Record created: 9 October 2026 · Last researched: 9 October 2026
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