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    LevelDescriptionArchiveDateArchive Number
    LevelItemDescriptionDinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.ArchiveAP - RCAHMW Colour Oblique Digital Aerial PhotographsDateArchive Number6513349
    LevelItemDescriptionDinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.ArchiveAP - RCAHMW Colour Oblique Digital Aerial PhotographsDateArchive Number6513348
    LevelItemDescriptionDinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.ArchiveAP - RCAHMW Colour Oblique Digital Aerial PhotographsDateArchive Number6513347