NPRNTeitlMath O SaflePerthynasNPRN87008TeitlWhitehouse Tunnel North Portal, Llangollen Canal;Ellesmere Canal;Shropshire Union CanalMath O Saflen/aPerthynasConsists ofNPRN405796TeitlWhitehouse Tunnel, Chirk, Bridge Number 25, Llangollen Canal;Ellesmere Canal;Shropshire Union CanalMath O Saflen/aPerthynasConsists ofNPRN405725TeitlLlangollen Canal;Ellesmere Canal;Shropshire Union Canal,Math O Saflen/aPerthynasConsists of
