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    1856-1979
    RefGB 219 X/P.Y.O. ADD.
    LocationGwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Caernarfon
    Name of creator:Penyrorsedd Slate Quarry Co.
    Extent:Information to be supplied.
    Language:
    • English
    • .
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