Archive6188575TitleSC123 - RCAHMW Swansea Canal Publication CollectionLevelItemDescriptionPreliminary measured drawing showing Cyfyng water overflow and outlet at Ystalyfera, produced by S.R. Hughes and E.T. Richards, undated.MediumGraphic.Imagesn
Archive6188576TitleSC124 - RCAHMW Swansea Canal Publication CollectionLevelItemDescriptionProvisional sketch showing Cyfyng water overflow and outlet at Ystalyfera, produced by S.R. Hughes, undated.MediumGraphic.Imagesn
Archive6188574TitleSC122 - RCAHMW Swansea Canal Publication CollectionLevelItemDescriptionMeasured drawing showing Cyfyng water overflow and outlet at Ystalyfera, produced by J.D. Goodband, 1979.MediumGraphic.Imagesy