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    Archive Number
    6022627
    Description
    Draft report entitled "Pontneddfechan Gunpowder Works & Silica Mines Management Plan Annex 12" by Brecon Beacons National Park dated 6th April 1990.
    Collection Record
    Additional Information
    Medium
    Text, Cartographic.
    Originator
    Brecon Beacons National Park
    Date
    1990-04-06