NPRNTitleType Of SiteRelationNPRN309608TitleElan Aqueduct: Nant Caethon Aqueduct, Caethon SyphonType Of Siten/aRelationAssociated withNPRN309609TitleElan Aqueduct: Washout Chamber, Caethon SyphonType Of Siten/aRelationAssociated withNPRN309611TitleElan Aqueduct: Outlet, Caethon SyphonType Of Siten/aRelationAssociated withNPRN95469TitleElan Aqueduct, Elan Valley Water Scheme, Birmingham Corporation WaterworksType Of Siten/aRelationPart ofNPRN309607TitleElan Aqueduct: Inlet and Washout Chamber, Caethon SyphonType Of Siten/aRelationAssociated with