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    A5 Holyhead Road at Ogwen Pass, and anti-invasion defences. Oblique aerial photograph taken during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 20 April 2018.Download and purchase options
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    NPRNTitleType Of SiteArchivesImagesNPRN402351TitleA5 Holyhead Road, Nant Ffrancon;The Ogwen PassType Of SiteREVETMENTArchives4Images2