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Black and white oblique aerial photograph showing Llyn Celyn, Tryweryn Valley, view of the vast earth dam under construction looking south-east. Visible are the construction yard beyond the dam, the straining tower (centre left) and above it on the hillside, the overflow. Note also the old valley road bisecting Hafod-fadog farmstead and the new, higher route adjacent. From Aerofilms album Merionethshire and Montgomeryshire, taken by Aerofilms Ltd and dated 1963.Further Information
  • 6200682AFC - Aerofilms Collection - Collection
  • 6321251A112578 - Aerofilms Collection - Item