Dinorwic slate quarry; Dinorwig hydro-electric power station (Electric Mountain) and Llyn Peris reservoir, Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.Opsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN423380TeitlLlyn Peris Reservoir, LlanberisMath O SafleCRONFA DDŴRArchifau5Delweddau4NPRN408885TeitlDinorwig Pumped-Storage Hydro-Electric Power Station;Electric Mountain, LlanberisMath O SafleGORSAF BŴER TRYDAN-DŴRArchifau62Delweddau52NPRN40538TeitlDinorwic Slate QuarryMath O SafleCHWAREL LECHIArchifau206Delweddau84