• Cymraeg
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    Slide of RCAHMW colour oblique aerial photograph of Penrhyn Slate Quarry, taken by C.R. Musson, 2/5/1994.Further Information
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    NPRNTitleType Of SiteCollectionsImages
    NPRN40564TitleChwarel y PenrhynType Of SiteSLATE QUARRYCollections265Images142