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William Crawshay

Ironmaster of Cyfarthfa, one of the four great Merthyr works and for a time among the largest ironworks in the world. He sank Gethin in 1849 not to sell coal but to coke it for his own furnaces — the arrangement that shaped mining across the head of the valleys.

Mines operated

MineRegionYears
Gethin Colliery Merthyr Tydfil 1849–1880
Lightmoor Colliery Forest of Dean 1841–?

Record created: 24 August 2026 · Last researched: 24 August 2026

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