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Powell Duffryn Associated Collieries

The Powell Duffryn company named as taking over Graig Colliery, Pentrebach, in 1937, which it worked in association with South Duffryn Colliery.

Mines operated

MineRegionYears
Graig Colliery, Pentrebach Merthyr Tydfil 1937–1947

Record created: 19 September 2026 · Last researched: 19 September 2026

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