NPRNTeitlMath O SaflePerthynasNPRN420846TeitlGlyndyfrdwy Signal Box, Glyndyfrdwy Railway Station, Llangollen RailwayMath O Saflen/aPerthynasConsists ofNPRN87035TeitlBarmouth South Signal Box, Glyndyfrdwy, Llangollen RailwayMath O Saflen/aPerthynasConsists ofNPRN416546TeitlLlangollen and Corwen RailwayMath O Saflen/aPerthynasPart of
