Six adits.**
Publications (9)
- (2001); CATMHS - Newsletter 063-April; 39 pages
- (2003); CATMHS - Newsletter 071-May; 29 pages
- (2003); CATMHS - Newsletter 073-November; 26 pages
- (2012); CATMHS - Newsletter 107-May; 32 pages
- Richards, Alun J. (2004); Slate Quarrying at Corris; pp.71; Gwasg Carreg Gwalch; ISBN 1-84524-068-5
- Richards, Alun J. (2013); Slate Quarrying in Wales; Gwasg Carreg Gwalch; ISBN 1-84527-026-6
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
- Richards, Alun John (1994); Slate Quarrying at Corris; Gwasg Carreg Gwalch. 0863812791
- Richards, Alun John, (1999); The Slate Regions of North and Mid Wales and their Railways; Gwasg Carreg Gwalch; 0863816039
