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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6439194
    Disgrifiad
    Ponty-yr-Yard Bridge, Lefel Fawr Colliery Tramroad: Photo survey comprising 18 b/w prints. Negatives held.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    18 prints. Photo.
    Cychwynnwr
    Stephen Hughes, RCAHMW
    Dyddiad
    c. 1975