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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRN31
    Cyfeirnod MapSO00NW
    Cyfeirnod GridSO0455006050
    Awdurdod Unedol (Lleol)Merthyr Tudful
    Hen SirGlamorgan
    CymunedCyfarthfa
    Math O SafleGWAITH HAEARN
    CyfnodÔl-Ganoloesol
    Loading Map
    Disgrifiad
    The Ynysfach Ironworks were established in 1801 by the Crawshays as an extension of their works at Cyfarthfa. Nearby is the engine house (NPRN 33724), now restored as a museum.

    RCAHMW, February 2011