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Charlton Main Colliery Ltd.

The company that bought Llay Main in 1926 and held it until nationalisation in 1947, through the years in which it became the largest colliery in Wales.

Mines operated

MineRegionYears
Llay Main Colliery Wrexham 1926–1947

Record created: 26 August 2026 · Last researched: 26 August 2026

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