NPRNTeitlMath O SaflePerthynasNPRN33566TeitlGlyn Pits;Glyn Collieries, Nos 1 & 2 Pits; Race Colliery, PontypoolMath O Saflen/aPerthynasPart ofNPRN405690TeitlGlyn Pits, Reservoir and Leat System; 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
