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National Coal Board, South Western Division
Diwydiant
Trainees in coal industry, photograph
National Coal Board, South Western Division
National Coal Board
2002.119/14
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Diwydiant
Trainees at work in training mine, photograph
National Coal Board, South Western Division
National Coal Board
2002.119/4
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Diwydiant
Air-Movers for Positive Ventilation of Return Stable-Holes (booklet)
National Coal Board, South Western Division
National Coal Board
A.N. Gould & Co. Ltd.
2001.1/741
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Diwydiant
Proposed Reorganisation of Blaenserchan Colliery (report)
National Coal Board, South Western Division
National Coal Board
2017.38/417
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Diwydiant
National Coal Board International Exchange of Students. Visits 1961 (booklet)
National Coal Board, South Western Division
National Coal Board
2017.38/731
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Diwydiant
Coalmining as a Career (booklet)
National Coal Board, South Western Division
National Coal Board
Cymric Federation Press
2017.38/523
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Diwydiant
Llanharan Colliery, photograph
National Coal Board, South Western Division
National Coal Board
2017.53/205
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Diwydiant
Treforgan Colliery (booklet)
National Coal Board, South Western Division
National Coal Board
Tudor Graphic Ltd.
2017.38/558
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Diwydiant
Nine Mile Point Colliery reconstruction project, report
National Coal Board, South Western Division
National Coal Board
2017.38/423
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Diwydiant
Maerdy Colliery development project, report
National Coal Board, South Western Division
National Coal Board
2017.38/421
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Diwydiant
National Coal Board, form
National Coal Board, South Western Division
National Coal Board
2017.38/407
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Diwydiant
Groesfaen Colliery (report)
National Coal Board, South Western Division
National Coal Board
2017.38/436
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