NPRNTeitlMath O SafleArchifauDelweddauNPRN415759TeitlLlechwedd Slate Quarry Railway SidingsMath O SafleSEIDIN REILFFORDDArchifau6Delweddau6NPRN415758TeitlGlan y Don Slate Waste Tip: Penybont TipMath O SafleArchifau1Delweddau1NPRN415756TeitlGlan y Don Viaduct, Oakeley Slate QuarryMath O SaflePONT TRAMFFORDDArchifau3Delweddau2NPRN85488TeitlPant-yr-Afon Hydro Electric Power Station;Maenofferen Powerhouse, Blaenau FfestiniogMath O SafleGORSAF BŴER TRYDAN-DŴRArchifau28Delweddau13NPRN404307TeitlGloddfa Ganol QuarryMath O SafleCHWAREL LECHIArchifau82Delweddau69NPRN415673TeitlConwy Valley Line;Blaenau Ffestiniog Branch, London and North Western RailwayMath O SafleRHEILFFORDDArchifau9Delweddau8
Opsiynau lawrlwytho a prynu