NPRNTeitlMath O SaflePerthynasNPRN261743TeitlElan Aqueduct: Nant Madog Aqueduct, Elan ConduitMath O Saflen/aPerthynasAssociated withNPRN96459TeitlElan Valley Water Scheme, Birmingham Corporation Waterworks, Cwm ElanMath O Saflen/aPerthynasPart ofNPRN95469TeitlElan Aqueduct, Elan Valley Water Scheme, Birmingham Corporation WaterworksMath O Saflen/aPerthynasPart ofNPRN261740TeitlElan Aqueduct: Nant Yr Haidd Aqueduct, Elan ConduitMath O Saflen/aPerthynasAssociated withNPRN309607TeitlElan Aqueduct: Inlet and Washout Chamber, Caethon SyphonMath O Saflen/aPerthynasAssociated with
