Archive NumberTitleLevelDescriptionMediumImagesArchive NumberAP2023_073TitleAP2023_073 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelBatchDescriptionOblique aerial photographic survey of Pen y Bryn slate quarry conducted during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 12th January 2022Medium1 .tiff file. PhotographicImagesnArchive NumberAP2023_073_001TitleAP2023_073_001 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionOblique aerial photograph of Pen y Bryn slate quarry taken during the Royal CommissionMediumphotoImagesyArchive Number2025-03-04_5000TitleAP2024_400LevelBatchDescriptionOblique aerial photographs taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver and Robyn Andrews, 3 October 2024. The flight path covered a number of sites in west Wales, including Wyddfa, Pen yr Orsedd and Dinorwic in the north, to Aberaeron in the south.Medium331 .tif filesImagesnArchive NumberAP_2024_2335TitleAP_2024_2335LevelItemDescriptionPen-y-Bryn slate quarries, view from southMedium1.tifImagesyArchive NumberAP_2024_2336TitleAP_2024_2336LevelItemDescriptionPen-y-Bryn slate quarries, view from southMedium1.tifImagesyArchive NumberAP_2024_2353TitleAP_2024_2353LevelItemDescriptionPen y Bryn slate quarries, from southMedium1.tifImagesyArchive NumberAP_2024_2357TitleAP_2024_2357LevelItemDescriptionPen y Bryn slate quarries, from north-westMedium1.tifImagesy