NPRNTeitlMath O SaflePerthynasNPRN405691TeitlGlyn Pits, Nos 1 and 2 Shafts;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasConsists ofNPRN405690TeitlGlyn Pits, Reservoir and Leat System; Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasConsists ofNPRN33730TeitlGlyn Pits, Vertical Winding Engine House and Engine;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasConsists ofNPRN33729TeitlGlyn Pits, Beam Pumping Engine House and Engine;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasConsists of
