Well developed quarry. Remains of ‘London Mill’ still visible.***
Publications (2)
- Jones, Griff R. (1998); Hafodlas Slate Quarry, Bettws Y Coed. Griff R. Jones. ISBN: 9780953369201
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968


