diwydiant

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  Locomotive at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Locomotive at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Empty drams at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Locomotive at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Haulage engine at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Roadway at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Roadway at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Drams at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Drams at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Winding engine at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Underground roadway at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Unsupported roof at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Roadway under development at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Underground roadway at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Underground roadway at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Locomotive at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Entrance to the drift mine at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Empty drams at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Surface buildings at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Surface buildings at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  NCB lorry at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Coal drams at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Graig Merthyr Colliery yard

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Graig Merthyr Colliery yard

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Surface at Graig Merthyr Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Graig Merthyr Colliery yard

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Underground roadway at Coegnant Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Conveyor underground at Coegnant Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Dram at pit bottom at Coegnant Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales
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  Dram at pit bottom at Coegnant Colliery

  Type Item

  Uploaded by Amgueddfa Cymru - Museum Wales