NPRNTitleType Of SiteRelationNPRN96459TitleElan Valley Water Scheme, Birmingham Corporation Waterworks, Cwm ElanType Of Siten/aRelationPart ofNPRN309539TitleDol-y-Mynach Reservoir, Elan Valley Water SchemeType Of Siten/aRelationAssociated withNPRN261432TitleDol-y-Mynach Tunnel: Nant Gwyllt Aqueduct, Elan Valley Water SchemeType Of Siten/aRelationAssociated withNPRN261172TitleDol-y-Mynach Tunnel, North Outlet, Garreg-Ddu Reservoir, Elan Valley Water SchemeType Of Siten/aRelationAssociated with
