Cambrian Collieries Ltd

Formed by Samuel Thomas and the Riches brothers to develop Cambrian Colliery from 1872, going public in 1895 and becoming part of the Cambrian Combine cartel of South Wales coal companies in 1906.

Mines operated

Mine	Region	Years
Cambrian Colliery	Rhondda Cynon Taf	1872–1966

Record created: 27 August 2026 · Last researched: 27 August 2026