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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    RCAHMW colour slide oblique aerial photograph of Onllwyn Coal Washery, Onllwyn, taken by C.R. Musson, 18/04/94Further Information
    Manylion
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    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN306037TeitlOnllwyn Coal Washery - Processing and Distribution CentreMath O SafleGWAITH PARATOI GLOCasgliadau71Delweddau20