Cwnllyn Colliery Explosion – Swansea Valley – 1825

CWNLLYN. Swansea Valley, Glamorganshire. 1825.

An explosion killed fifty-nine people. To this date, this was the largest explosion in South Wales.

REFERENCES
From a Welsh Newspaper Yr Utgorn. (The Bugle)

Information supplied by Ian Winstanley and the Coal Mining History Resource Centre.