NPRNTitleType Of SiteRelationNPRN25714TitleYard House and Manager's Office, Lefel Fawr CollieryType Of Siten/aRelationConsists ofNPRN34641TitlePont-yr-Yard Bridge, Lefel Fawr Colliery Tramroad, Swansea CanalType Of Siten/aRelationConsists ofNPRN33372TitleLevel Fawr Colliery Entrance, YstradgynlaisType Of Siten/aRelationConsists of