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  • 1
    I.C.I. Cooke's Explosives Works, Penrhyndeudraeth
    1884-1995
    RefGB 220 Z/DER.
    LocationGwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Meirionnydd
    Name of creator:Cooke's Explosives Ltd, Penrhyndeudraeth.
    Extent:Not provided.
    Language:
    • English
      • .
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  • 2
    Croesor United Slate Company Ltd Records
    1840-1877
    RefGB 220 Z/DAW.
    LocationGwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Meirionnydd
    Name of creator:Croesor United Slate Company Limited.
    Extent:Information to be supplied.
    Language:
    • English
      • .
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