NPRNTitleType Of SiteRelationNPRN405083TitleUpper Aqueduct and Tramway Bridge, Glyn Neath Black Powder Works, PontneddfechanType Of Siten/aRelationConsists ofNPRN439TitleGlyn Neath Black Powder Works, PontneddfechanType Of Siten/aRelationPart ofNPRN405082TitleUpper Weir, Glyn Neath Black Powder Works, PontneddfechanType Of Siten/aRelationConsists of
