Archive NumberTitleLevelDescriptionMediumImagesArchive Number6494351Title1980_19_2 - NMR Site FilesLevelItemDescriptionBlack/white print, showing stone arched mining tunnel entrance, Cyfarthfa Canal Level. Negative held.MediumPhoto.ImagesnArchive Number6494912TitleAdditional InformationLevelBatchDescriptionMining Level, Cyfarthfa Canal - three items: Plottings; plan; copy of Western Mail magazine article with images, dated June 1984, titled 'Victorian secrets below an empire built on iron'. Plottings and plan produced by B.A. Malaws and D.K. Lieghton, October 1979. Marked Site 97.MediumGraphic.ImagesnArchive Number6518593TitleCAM001-01-6502-00 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. CAM001-01-6502-00 transferred from Cadw, concerning Cyfarthfa Canal Level - scheduling.MediumCartographic, Text.ImagesnArchive Number6511555TitleCSAM_JC_2002_11 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Glamorgan carried out by Joseph Cliff, 2002.MediumOne sheet. Photo.ImagesnArchive Number6511972TitleCSAM_JC_2007_01 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Glamorgan carried out by Joseph Cliff, 2007.MediumTwo sheets. Photo.Imagesn