NPRNTeitlMath O SafleArchifauDelweddauNPRN93281TeitlMining Level, Cyfarthfa Canal, Rhyd-y-Car, Merthyr TydfilMath O SafleCAMLASArchifau5Delweddau0NPRN261902TeitlCyfarthfa Canal Southern SectionMath O SafleCAMLASArchifau4Delweddau0NPRN261901TeitlCyfarthfa Canal Northern SectionMath O SafleCAMLASArchifau4Delweddau0