NPRNTeitlMath O SaflePerthynasNPRN91588TeitlTower Graig Level, HirwaunMath O Saflen/aPerthynasAssociated withNPRN91587TeitlTower Drift Mine, HirwaunMath O Saflen/aPerthynasAssociated withNPRN91586TeitlTower Colliery;No. 4 Colliery, HirwaunMath O Saflen/aPerthynasAssociated with
