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    St John's Colliery, Maesteg

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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRNTeitlMath O SaflePerthynasNPRN86933TeitlCwm Du Colliery and Ironstone QuarryMath O Saflen/aPerthynasFormer Use