valve tower

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  UPPER LLIW RESERVOIR, VALVE HOUSE

  Type Item

  Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
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  UPPER LLIW RESERVOIR, VALVE HOUSE

  Type Item

  Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
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  Dam building in the Elan Valley, c. 1903

  Type Item

  Uploaded by Gathering The Jewels
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  Dam building in the Elan Valley, c. 1903

  Type Item

  Uploaded by Gathering The Jewels
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  Dam building in the Elan Valley, c. 1903

  Type Item

  Uploaded by Gathering The Jewels
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  CRAIG GOCH DAM VALVE TOWER, ELAN VALLEY

  Type Item

  Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
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  FOEL VALVE TOWER, ELAN AQUEDUCT

  Type Item

  Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
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  PEN-Y-GARREG DAM VALVE TOWER, ELAN VALLEY

  Type Item

  Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales