NPRNTeitlMath O SaflePerthynasNPRN400787TeitlChimney, Llay Hall Colliery, Sydallt, WrexhamMath O Saflen/aPerthynasConsists ofNPRN400790TeitlEnginge House, Llay Hall Colliery, Sydallt, WrexhamMath O Saflen/aPerthynasConsists ofNPRN400788TeitlWorkshops, Llay Hall Colliery, Sydallt, WrexhamMath O Saflen/aPerthynasConsists ofNPRN400789TeitlWashery, Llay Hall Colliery, Sydallt, WrexhamMath O Saflen/aPerthynasConsists of
