Archive NumberTitleLevelDescriptionMediumImagesArchive Number6264764Title9300678_04 - NMR Site FilesLevelItemDescriptionGeneral view, NA/GL/93/65.MediumPhoto.ImagesnArchive Number6294303Title9300681_03 - NMR Site FilesLevelItemDescriptionGeneral view, NA/GL/93/65.MediumPhoto.ImagesnArchive Number6264765Title9300681_04 - NMR Site FilesLevelItemDescriptionGeneral view, NA/GL/93/65.MediumPhoto.ImagesnArchive Number6055188TitleANC_3409_1 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. ANC/3409/1, transferred from Cadw, concerning Pontrhydyfen Aqueduct/Viaduct, Michaelston Higher/Cwmavon, West Glamorgan, scheduling.MediumText.ImagesnArchive Number6055189TitleANC_3409_2 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. ANC/3409/2, transferred from Cadw, concerning Pontrydyfen Aqueduct/Viaduct, Michaelston Higher/Cwmavon, West glamorgan, works and application for grant.MediumText.ImagesnArchive Number6205811TitleAdditional InformationLevelItemDescriptionCopy of letter requesting information to support an application for the listing of Pontrhydyfen Railway Viaduct, from the borough surveyor of the Borough of Afan to Glamorgan Archives Service, dated 12 August 1980.MediumText.ImagesnArchive Number6521352TitleCAM001-01-3409-01 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. CAM001-01-3409-01 (part 1) transferred from Cadw, relating to Pontrhydyfen Aqueduct/Viaduct - scheduling.MediumText, Cartographic.ImagesnArchive Number6510658TitleCSAM_HBB_97_05 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Glamorgan carried out by Helen Burnham, 1997.MediumTwo sheets. Photo.ImagesnArchive Number6511651TitleCSAM_JC_2005_09 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Glamorgan carried out by Joseph Cliff, 2005MediumTwo sheets. Photo.ImagesnArchive Number6061656TitleGM393 - Cadw Scheduling RecordsLevelSub-groupDescriptionFile of Cadw scheduled monument records for Pontrhydyfen Railway Viaduct (GM393) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.MediumCartographic, Text.Imagesn