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    Black and white photograph of Caerg Ddu Dam showing bridge, pier, and culvert outlet. Copy negative held.Further Information
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    NPRNTitleType Of SiteCollectionsImages
    NPRN752TitleGarreg-Ddu Dam, Elan Valley Water Scheme;Carreg Ddu Viaduct and Submerged DamType Of SiteDAMCollections55Images37