Glan-y-Pwll Slate & Slab Company Ltd

Incorporated in 1861 to work Nyth-y-Gigfran quarry; wound up in liquidation in 1872 after the quarry's 1870 closure.

Mines operated

Mine	Region	Years
Nyth-y-Gigfran Quarry	Gwynedd	1861–1872

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