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Ynisgynon Collieries Ltd

Owned the renamed Ynysgeinon (Ynisgynon) colliery from around 1914 until its 1921 liquidation.

Mines operated

MineRegionYears
Cambria Mercantile Colliery Neath Port Talbot 1914–1921

Record created: 15 September 2026 · Last researched: 15 September 2026

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