Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6544504TeitlCLBN_WRH_003_36 - Cadw Listed Buildings 35mm Colour Negative CollectionLefelItemDisgrifiadColour negative showing Elan Valley Aqueduct, produced by William R. Hughes, Cadw, May 1985.CyfrwngPhoto.Delweddaun
