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Locket's Merthyr Steam Coal Company

Leased Maerdy Colliery from around 1879-80 and formally incorporated in 1894; ran the colliery through its most prosperous decades until the early 1930s.

Mines operated

MineRegionYears
Maerdy Colliery Rhondda Cynon Taf 1879–1932

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

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