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Lower Graigola Colliery Co.

The Pontardawe company that worked Lower Graigola Colliery at Clydach from the 1910s until 1926; it was not a member of the Monmouthshire and South Wales Coal Owners' Association.

Mines operated

MineRegionYears
Lower Graigola Colliery Swansea 1912–1926

Record created: 9 October 2026 · Last researched: 9 October 2026

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