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Swansea University
Clydach Merthyr Colliery.

Reference code(s): GB 0217 SWCC : MNB/COL6

Held at: Swansea University

Title: Clydach Merthyr Colliery.

Short Title: Clydach Merthyr Colliery.

Creation date(s): 1913-1962

Level of description: fonds

Extent: 1 box

Name of creator(s): Clydach Merthyr Colliery


Administrative/Biographical history: Clydach Merthyr Colliery was situated near Clydach in the Swansea Valley.
The mine was opened in 1863 by the Graigola Merthyr Company, a member of the Monmouthshire and South Wales Coal Owners' Association. The Graigola seam produced high quality coal which had a very low percentage of ash. This feature meant that 'Graigola Merthyr' patent coal fuel was used by many important foriegn rail and steamship companies.
When the coal industry was nationalised in 1947, the Graigola Merthyr Colliery was placed in the National Coal Board's South Western Division, No.1 Area. From this date, the colliery also began to work in conjunction with the neighbouring Abergelli Slant until its closure in June 1961
Source: Ray Lawrence, The South Wales Coalfield Directory, Vol. 2 (1998 edn), pp. 138-9


Scope and content/abstract: Worker's Time Books 1913-1925; Time keeper's record of stamps issued and used 1958-1962


Language/scripts of material:

System of arrangement:

Conditions governing access: Access unrestricted unless stated otherwise.

Conditions governing reproduction: A photocopying service is available. Contact repository for details.
No publication without written permission from the Archivist.

Finding aids: A hardcopy list is available in the searchroom.


Archival history:

Immediate source of acquisition:



Rules or conventions: Created following ISAD(G) and Archives Hub Data Creation Guidelines

Date(s) of descriptions: Prior to 16-11-2004

Coal mines and mining | Wales, South
Time management | Wales, South

Personal names

Corporate names
Clydach Merthyr Colliery

Clydach (Swansea, Wales)

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