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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Black and White photograph showing Pen-yr-Graig-Ddu from the Aberystwyth-Ponterwyd road north west of Tan-yr-Allt. Photographed by Arthur Chater in March 1961 from Grid Reference SN c.702 808, looking north north-east.Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN33894TeitlPencraig Ddu Lead and Silver Mines; Pencraigddu;PencarregdduMath O SafleMWYNGLAWDD PLWMCasgliadau19Delweddau8