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A small Abercanaid company, outside the coal owners' association, that opened Wernlas Colliery at Pentrebach in 1902 and worked it until about 1917.
| Mine | Region | Years |
|---|---|---|
| Wernlas Colliery | Merthyr Tydfil | 1902–1916 |
Record created: 11 October 2026 · Last researched: 11 October 2026
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