NPRNTeitlMath O SaflePerthynasNPRN405691TeitlGlyn Pits, Nos 1 and 2 Shafts;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasAssociated withNPRN33566TeitlGlyn Pits;Glyn Collieries, Nos 1 & 2 Pits; Race Colliery, PontypoolMath O Saflen/aPerthynasPart ofNPRN33730TeitlGlyn Pits, Vertical Winding Engine House and Engine;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasAssociated withNPRN33729TeitlGlyn Pits, Beam Pumping Engine House and Engine;Glyn Collieries;Race Colliery, PontypoolMath O Saflen/aPerthynasAssociated with
