Vast quarry that dominated the North Wales Slate Industry.***
Publications (11)
- Anon (1912); Penrhyn Quarry Blondins; 1 pages
- Anon; Penrhyn Balances Map; 1 pages
- Anon; Penrhyn Map; 1 pages
- Anon; Penrhyn Quarry Floors; 1 pages
- Ball, Lionel C. (1909); Penrhyn Quarry - Queensland Govt. Mining Journal; 4 pages
- Ball, Lionel C. (1909); Queensland Government Mining Journal - Elsh Slate & the Penrhyn Quarry; 4 pages
- Knowles, Jon (2008); Penrhyn Slate Quarry - Underground Features; 28 pages
- le Neve Foster, C. (1896); Mines & Quarries Report-North Wales; 57 pages
- Owen, Elias (1885); Penrhyn Quarry- Red Dragon; 12 pages
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
- Richards, Richard (1868); Penrhyn Slate Quarry; 3 pages
