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    Pen-y-Garreg reservoir, and Craig Goch dam and valve tower. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.Opsiynau lawrlwytho a prynu
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleArchifauDelweddauNPRN32521TeitlCraig Goch Dam, Elan Valley Water SchemeMath O SafleARGAEArchifau48Delweddau25NPRN261542TeitlCraig Goch Dam Valve Tower, Elan Valley Water SchemeMath O SafleTŴR Y FALFIAUArchifau9Delweddau7NPRN309537TeitlPen-y-Garreg Reservoir, Elan Valley Water SchemeMath O SafleCRONFA DDŴRArchifau25Delweddau22