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  • 1
    1830-1960
    RefGB 220 Z/DCC.
    LocationGwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Meirionnydd
    Name of creator:Merionethshire Rivers Catchment Board.
    Extent:(31 items).
    Language:
    • English
    • .
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  • 2
    1900-1973
    RefGB 219 XD/37.
    LocationGwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Caernarfon
    Name of creator:Welsh Water Authority.
    Extent:(92 items).
    Language:
    • English
    • .
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