NPRNTitleType Of SiteRelationNPRN400787TitleChimney, Llay Hall Colliery, Sydallt, WrexhamType Of Siten/aRelationConsists ofNPRN400790TitleEnginge House, Llay Hall Colliery, Sydallt, WrexhamType Of Siten/aRelationConsists ofNPRN400788TitleWorkshops, Llay Hall Colliery, Sydallt, WrexhamType Of Siten/aRelationConsists ofNPRN400789TitleWashery, Llay Hall Colliery, Sydallt, WrexhamType Of Siten/aRelationConsists of