Collieries after Nationalisation in 1947

Dates in brackets indicate the date that the colliery merged with another
Name Opened Closed (Merged)
Abercarn [Pumping Station] 1855 1955
Bedwas Navigation 1909 August 1985
Celynen North 1913 (March) (1985) Merged with Oakdale
Celynen South 1873 November 1985
Crumlin 1908 September 1967
Cwmcarn 1876 November 1968
Glyntillery (new) 1954 December 1975
Graig Fawr 1924 October 1961
Hafodyrynys 1878 August 1959
Hafodyrynys New Mine 1955 December 1975
Nine Mile Point 1902 July 1964
Oakdale 1907 August 1989
Risca 1875 July 1966
Rock 1855 June 1957
Rock Vein Pit 1920 (1954) Merged with Nine Mile Point
Waterloo 1908 March 1970
Wyllie 1924 March 1968

See also:

Small collieries of the Sirhowy Valley

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