Troedyrhiw Coal Co
Stuart Square, Cardiff
1896 The company's collieries were the Tynewydd, at Porth, Rhondda Valley, and Ynysfaio Nos. 1 & 2 at Treherbert
1930 Agreement with other coal companies to form Welsh Associated Collieries[1].
See Also
Sources of Information
- Durham Mining Museum [2]