Archive NumberTitleLevelDescriptionMediumImagesArchive Number6417675TitleCA3539 - NMR Site FilesLevelItemDescriptionView of front elevation of Tyddyn Iolyn Isaf from the lane.MediumPhoto.ImagesnArchive Number6353308TitleCPF_T_01_04 - Caernarvonshire Parish FilesLevelSub-groupDescriptionNotes, site lists, plans and drawings, rubbings, and black and white photographs relating to sites in the parish of Treflys: Map reference 34SW.Medium1 file. Text, Graphic, Photo.ImagesnArchive Number6004069TitleDrawings CollectionLevelItemDescriptionRCAHMW drawing (ink on linen) showing plan of Tyddyn Iolyn Isaf, Treflys, as published in Caerns Inventory Volume II, fig 182.MediumGraphic.ImagesnArchive Number6417674TitleNMR Site FilesLevelBatchDescriptionPhoto survey of Tyddyn Iolyn Isaf, Dolbenmaen, comprising 1 black and white print, dated 3rd August 1956.Medium1 print. Photo.Imagesn
