Photographs showing the floor and roof of the Dyffryn tank at Llanfairfechan, the overflow from the Newry tank, a chamber of the lower Afon Ddu, lower Afon Ddu intake and the Cammarnaint reservoir intake.
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- ReferenceGB 2008 CP447/1/2/10
- Dates of Creation1965-1971
- Physical Description10 photos