Two adits.
Publications (3)
- Jones, Gwynfor P., Richards, Alun J. (2004); Cwm Gwyrfai; pp.166; Gwasg Carreg Gwalch ISBN 0-86381-897-8
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
- Williams, R.A.; NMRS (1985); British Mining 26 - Old Mines of the Llangynog District, The; ISBN 0901450 27 8; pp.112.
