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    Slide of RCAHMW colour oblique aerial photograph of Llyn Stwlan Reservoir, taken by C.R. Musson, 11/4/1990.Opsiynau lawrlwytho a prynu
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleArchifauDelweddauNPRN306315TeitlFfestiniog Pumped Storage Scheme: Llyn Stwlan ReservoirMath O SafleCRONFA DDŴRArchifau22Delweddau21