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Conglog Slate and Slab Company Ltd

Formed in 1873 with £40,000 of capital to work Conglog quarry; succeeded in the 1880s by a reconstituted New Conglog Slate and Slab Company Ltd.

Mines operated

MineRegionYears
Conglog Quarry Gwynedd 1873–1880

Record created: 30 August 2026 · Last researched: 30 August 2026

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