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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN34114TeitlPlymouth IronworksMath O SafleGWAITH HAEARNCasgliadau6Delweddau0
    NPRN91644TeitlTramroad, Pwll Du QuarryMath O SafleTRAMFFORDDCasgliadau4Delweddau1
    NPRN91513TeitlMerthyr TramroadMath O SafleTRAMFFORDDCasgliadau26Delweddau0
    NPRN260678TeitlHill's Tramroad Between Pwll Du and Tyla QuarriesMath O SafleTRAMFFORDDCasgliadau7Delweddau1
    NPRN85860TeitlHill's TramroadMath O SafleTRAMFFORDDCasgliadau42Delweddau25
    NPRN260437TeitlHill's Tramroad, Section South West of Pwll Du Tunnel, BlaenavonMath O SafleTRAMFFORDDCasgliadau3Delweddau0