NPRNTitleType Of SiteRelationNPRN422647TitleHolyhead Breakwater RailwayType Of Siten/aRelationConsists ofNPRN310333TitleHolyhead Breakwater Quarries and BrickworksType Of Siten/aRelationAssociated withNPRN41259TitleHolyhead Breakwater LighthouseType Of Siten/aRelationConsists of
