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NPRN415758TitleGlan y Don Slate Waste Tip: Penybont TipType Of SiteCollections1Images1
NPRN415756TitleGlan y Don Viaduct, Oakeley Slate QuarryType Of SiteTRAMWAY BRIDGECollections3Images2
NPRN85488TitlePant-yr-Afon Hydro Electric Power Station;Maenofferen Powerhouse, Blaenau FfestiniogType Of SiteHYDROELECTRIC POWER STATIONCollections28Images13
NPRN404307TitleGloddfa Ganol QuarryType Of SiteSLATE QUARRYCollections82Images69
NPRN415673TitleConwy Valley Line;Blaenau Ffestiniog Branch, London and North Western RailwayType Of SiteRAILWAYCollections9Images8
