NPRN41296TitleFfestiniog Tunnel, Blaenau FfestiniogType Of SiteRAILWAY TUNNELCollections8Images6
NPRN417355TitleRailway Siding and Wharf, Oakeley Slate QuarryType Of SiteRAILWAY SIDINGCollections1Images1
NPRN85488TitlePant-yr-Afon Hydro Electric Power Station;Maenofferen Powerhouse, Blaenau FfestiniogType Of SiteHYDROELECTRIC POWER STATIONCollections28Images13
NPRN415673TitleConwy Valley Line;Blaenau Ffestiniog Branch, London and North Western RailwayType Of SiteRAILWAYCollections9Images8