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Brynhenllys Anthracite Colliery Company

The company that worked the Brynhenllys slants at Upper Cwmtwrch from 1925 until nationalisation, including the Waunlwyd slant near Cwmllynfell.

Mines operated

MineRegionYears
Brynhenllys Colliery Powys 1925–1947

Record created: 10 September 2026 · Last researched: 10 September 2026

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