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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Digital copy of an albumen print from Edward Hubbard Collection showing Garreg Ddu from the right bank looking upstream, taken May 1898.Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN309541TeitlGarreg-Ddu Reservoir, Elan Valley Water SchemeMath O SafleCRONFA DDŴRCasgliadau21Delweddau14
    NPRN752TeitlGarreg-Ddu Dam, Elan Valley Water Scheme;Carreg Ddu Viaduct and Submerged DamMath O SafleARGAECasgliadau55Delweddau37
    NPRN32527TeitlElan Aqueduct: Foel Valve Tower; Garreg-Ddu Reservoir Tower, Foel TunnelMath O SafleTŴR Y FALFIAUCasgliadau19Delweddau14