Pen-y-Garreg reservoir and dam. 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
NPRNTeitlMath O SafleArchifauDelweddauNPRN32534TeitlPen-y-Garreg Dam; Pen-y-Gareg Dam, Elan Valley Water SchemeMath O SafleARGAEArchifau52Delweddau35NPRN309537TeitlPen-y-Garreg Reservoir, Elan Valley Water SchemeMath O SafleCRONFA DDŴRArchifau25Delweddau22