Gwaun Cae Gurwen Colliery Co
of Swansea
1874 The company was registered on 13 July. [1]
c.1916 H. Seymour Berry negotiated the purchase of the Gwaun-Cae-Gurwen Colliery Co for Lord Rhondda; his Aberdare contact, David Richard Llewellyn was made chairman of the company.
1928 Acquired by Amalgamated Anthracite Collieries[2]