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Hill's Plymouth Company

Reopened Graig Colliery, Pentrebach, in 1903 as Hill's Plymouth Co. Ltd, employing 383 men there in 1908; NMRS also records a Graig worked for steam coal by Hill's Plymouth Company from 1843.

Mines operated

MineRegionYears
Graig Colliery, Pentrebach Merthyr Tydfil 1903–?

Record created: 19 September 2026 · Last researched: 19 September 2026

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