NPRNTitleType Of SiteRelationNPRN309618TitleElan Aqueduct: Outlet, Dulas SyphonType Of Siten/aRelationAssociated withNPRN309617TitleElan Aqueduct: Washout Chamber, Dulas SyphonType Of Siten/aRelationAssociated withNPRN95469TitleElan Aqueduct, Elan Valley Water Scheme, Birmingham Corporation WaterworksType Of Siten/aRelationPart of