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Amman Valleys Collieries Limited

A London company, of Great St Helen's, that owned Glanamman Colliery in 1908-09 and until 1929.

Mines operated

MineRegionYears
Glanamman Colliery Carmarthenshire 1908–1929

Record created: 16 September 2026 · Last researched: 16 September 2026

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