Archive6402270TitleCMC_PA_735 - Cadw Monuments in Care CollectionLevelBatchDescriptionBlack and white photographs relating to Bryn Glas Earthwork.Medium1 file. Photo.Imagesn
Archive6060722TitleCN188 - Cadw Scheduling RecordsLevelSub-groupDescriptionFile of Cadw scheduled monument records for Earthwork, Bryn - Glas (CN188) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.MediumText, Cartographic.Imagesn
Archive6351730TitleCPF_L_03_10 - Caernarvonshire Parish FilesLevelSub-groupDescriptionNotes, mss text, sites lists, plans, newspaper cuttings, article extract, O.S. map extract, and black and white photographs relating to sites in the parish of Llanbeblig.Medium1 file. Graphic, Text, Photo, Cartographic.Imagesn
Archive6513793TitleCSAM_MM_2004_04 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Caernarfonshire carried out by M.A. Mason, 2004.MediumTwo sheets. Photo.Imagesn
Archive6418001TitleNMR Site FilesLevelBatchDescriptionPhoto survey of Bryn Glas Roman earthworks, comprising 1 black and white print, dated 1st January 1948.Medium1 print. Photo.Imagesn
Archive6055323TitleANC_3580_1 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. ANC/3580/1, transferred from Cadw, concerning Roman signal station known as Bryn Glas, Caernarfon, Gwynedd - proposed scheduling.MediumText.Imagesn
Archive6471215TitleAP_2012_0344 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionRCAHMW colour oblique photograph of Bryn Glas Roman signal station. Taken by Toby Driver on 13/01/2012.MediumPhoto.Imagesy
Archive6418004TitleCA2998 - NMR Site FilesLevelItemDescriptionView of Bryn Glas Roman earthworks.MediumPhoto.Imagesn
Archive6513570TitleCSAM_MM_96_09 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Caernarfonshire carried out by M.A. Mason, 1996.MediumTwo sheets. Photo.Imagesn
Archive6471216TitleAP_2012_0345 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionRCAHMW colour oblique photograph of Bryn Glas Roman signal station. Taken by Toby Driver on 13/01/2012.MediumPhoto.Imagesy