NPRNTeitlMath O SaflePerthynasNPRN505757TeitlChwarel Cefn Du, Quarry Buildings IIIMath O Saflen/aPerthynasConsists ofNPRN505758TeitlChwarel Cefn Du, Quarry Buildings IVMath O Saflen/aPerthynasConsists ofNPRN505755TeitlChwarel Cefn Du, Quarry Buildings IIMath O Saflen/aPerthynasConsists ofNPRN505712TeitlChwarel Cefn Du, PondMath O Saflen/aPerthynasConsists ofNPRN505761TeitlChwarel Cefn Du, Quarry Buildings VIMath O Saflen/aPerthynasConsists ofNPRN505762TeitlChwarel Cefn Du, Labourers SheltersMath O Saflen/aPerthynasConsists ofNPRN505760TeitlChwarel Cefn Du, Quarry Buildings VMath O Saflen/aPerthynasConsists of
