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    Oblique aerial photograph of Pen-yr-Orsedd slate quarry and blondins, taken from the south east during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 12th January 2022Opsiynau lawrlwytho a prynu
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleArchifauDelweddauNPRN33734TeitlPen yr Orsedd Slate Quarry Blondin, Nantlle ValleyMath O SaflePEIRIANDYArchifau8Delweddau3