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Aberllefenni Slate Quarries

The trading name under which Colonel Robert Davies Jones owned and worked the Aberllefenni quarries by 1850; Robert Hughes, appointed manager in 1873, modernised the mill with a large waterwheel.

Mines operated

MineRegionYears
Aberllefenni Slate Quarry Gwynedd 1850–?

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

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