External Links
Publications (2)
- (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
- Hughes, Simon J.S. (1987); British Mining Memoirs No. 34 - George Greem Engineer & Entrepreneur, 1824-1895; 14 pages
South Rheidol - 567m
Gothic - 690m
Pantmawr - 768m
Tyllwyd - 1,046m
Gelli - 1,101m
Nantglas - 1,117m
Rheidiol United (Mine Group) - 1,221m
Gwaith Goch - 1,317m
Rhiw Rugos - 1,407m
South Bwa Drain - 1,537m
Blaen Ceunant - 1,587m
Alltddu - 1,745m
Bwa Drain - 1,758m
West Aberffrwdd - 1,780m
Cae Cynon - 1,904m