Sometimes operated individually, other times with others as Rheidiol United.
In 1853, Capt Henry Francis reported that top level had
reached a lode of spar and clay about 18 inches wide, very rich and promising.
To view history of the mines as a group, see Rheidiol United
Publications (12)
- (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
- (1997); WMS Newsletter Issue 36 Jun; 8 pages
- (2001); WMS Newsletter Issue 44 Apr; 10 pages
- (2001); WMS Newsletter Issue 45 Dec; 14 pages
- Bick, D.E. (1991); Old Metal Mines of Mid-Wales, The; South of Goginan - Part 2; pp. 34
- Edited by D. J. Linton (2009); Welsh Mines & Mining - The Lode of History; 122 pages
- Foster-Smith, J.R.; NMRS (1979); British Mining 12 - Mines of Cardiganshire, The; ISBN 0 901450 14 6; pp.58-59.
- Hall, G.W. (2014); Welsh Mines & Mining - Metal Mining in Mid Wales 1822-1921; 131 pages
- NMRS; British Mining 43 - Memoirs 1991; pp.113.
- NMRS; Newsletter Feb/1988; pp.7.
- Pritchard, R.J.; NMRS (1985); British Mining 27 - Rheidiol Mines, The; ISBN 0901450 21 9; pp.6,9,18-19,30-33,35.
- Shaw, R.P. and Critchley, M.F. (1978); PDMHS (Peak District Mines Historical Society) 07-2 Oct - Two Cardiganshire Lead Mines - Caegynon and Rheidol United; 18 pages (69-86)