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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    RCAHMW colour oblique aerial photograph of Bwlch Mawr mine workings from the north. Taken on 09 February 2006 by Toby Driver.Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN408652TeitlBwlch Mawr Manganese MineMath O SafleMWYNGLAWDD MANGANÎSCasgliadau1Delweddau1