Archive6513795TitleCSAM_MM_2004_06 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Anglesey, Merionethshire and Caernarfonshire carried out by M.A. Mason, 2004.MediumTwo sheets. Photo.Imagesn
Archive6137392Title975059_69 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Byrllysg, Defended Settlement, Dyffryn Ardudwy, taken by C.R.Musson on the 31/03/1997MediumPhoto.Imagesn
Archive6137393Title975060_44 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Byrllysg, Defended Settlement, Dyffryn Ardudwy, taken by C.R.Musson on the 31/03/1997MediumPhoto.Imagesn
Archive6189564TitleAP_2005_0369 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionRCAHMW digital colour oblique photograph of Byrllysg Iron Age Promontory Fort. Taken on 17/05/2005 by T.G. Driver.MediumPhoto.Imagesy
ArchiveAP2023_308_001TitleAP2023_308_001 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionBrynllysg Fort. Oblique aerial photographs taken during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 25 March 2022.Medium1 .tif file. PhotographicImagesy
Archive6061877TitleME064 - Cadw Scheduling RecordsLevelSub-groupDescriptionFile of Cadw scheduled monument records for Byrllysg, Defended Settlement (ME064) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.MediumCartographic, Text.Imagesn
Archive6137395Title975060_42 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Byrllysg, Defended Settlement, Dyffryn Ardudwy, taken by C.R.Musson on the 31/03/1997MediumPhoto.Imagesn
Archive6137394Title975060_43 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Byrllysg, Defended Settlement, Dyffryn Ardudwy, taken by C.R.Musson on the 31/03/1997MediumPhoto.Imagesn
ArchiveAP2023_308TitleAP2023_308 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelBatchDescriptionBrynllysg Fort. Oblique aerial photographs taken during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 25 March 2022.Medium2 .tif files (260 MB). PhotographicImagesn
ArchiveAP2023_308_002TitleAP2023_308_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionBrynllysg Fort. Oblique aerial photographs taken during the Royal Commission’s programme of archaeological aerial reconnaissance by Toby Driver on 25 March 2022.Medium1 .tif file. PhotographicImagesy