NPRNTitleType Of SiteRelationNPRN309624TitleElan Aqueduct: Air Valve Chamber, Clywedog SyphonType Of Siten/aRelationAssociated withNPRN309626TitleElan Aqueduct: Clywedog Washout Chamber, Clywedog SyphonType Of Siten/aRelationAssociated withNPRN309622TitleElan Aqueduct: Inlet and Overflow Chamber, Clywedog SyphonType Of Siten/aRelationAssociated withNPRN309628TitleElan Aqueduct: Outlet, Clywedog SyphonType Of Siten/aRelationAssociated withNPRN95469TitleElan Aqueduct, Elan Valley Water Scheme, Birmingham Corporation WaterworksType Of Siten/aRelationPart ofNPRN309625TitleElan Aqueduct: Clywedog Aqueduct, Clywedog SyphonType Of Siten/aRelationAssociated with