Description
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.
