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    Dinorwic slate quarry and Llyn Peris Reservoir, Llanberis, and Gallt-y-Llan slate quarry, Nant Peris. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.Opsiynau lawrlwytho a prynu
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleArchifauDelweddauNPRN423380TeitlLlyn Peris Reservoir, LlanberisMath O SafleCRONFA DDŴRArchifau5Delweddau4NPRN419098TeitlGallt-y-Llan Slate QuarryMath O SafleCHWAREL LECHIArchifau3Delweddau2NPRN40538TeitlDinorwic Slate QuarryMath O SafleCHWAREL LECHIArchifau206Delweddau84