Sometimes operated individually, other times with others as Rheidiol United.
To view history of the mines as a group, see Rheidiol United
Publications (4)
- (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
- Bick, D.E. (1991); Old Metal Mines of Mid-Wales, The; South of Goginan - Part 2; pp. 34
- Hughes, Simon J.S. (1987); British Mining Memoirs No. 34 - George Greem Engineer & Entrepreneur, 1824-1895; 14 pages
- 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)