Merthyr (South Wales) Ltd

Operated Ffos-y-Fran from 2007 to its 2023 closure, formerly trading as Miller Argent and owned by Gwent Investments Limited.

Mines operated

MineRegionYears
Ffos-y-Fran Merthyr Tydfil 2007–2023

Record created: 25 August 2026 · Last researched: 25 August 2026

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