Excavation.
Publications (3)
- Jones, Gwynfor P., Richards, Alun J. (2004); Cwm Gwyrfai; pp.204; Gwasg Carreg Gwalch ISBN 0-86381-897-8
- Lindsay, Jean (1974); History of the North Wales Slate Industry; David & Charles; pp.317; ISBN 0-71536-264-X
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
