NPRN41296TitleFfestiniog Tunnel, Blaenau FfestiniogType Of SiteRAILWAY TUNNELCollections8Images6
NPRN415759TitleLlechwedd Slate Quarry Railway SidingsType Of SiteRAILWAY SIDINGCollections6Images6
NPRN85488TitlePant-yr-Afon Hydro Electric Power Station;Maenofferen Powerhouse, Blaenau FfestiniogType Of SiteHYDROELECTRIC POWER STATIONCollections28Images13
NPRN417361TitleWharf Crane, Llechwedd Slate Quarry SidingType Of SiteCRANECollections1Images1
NPRN415673TitleConwy Valley Line;Blaenau Ffestiniog Branch, London and North Western RailwayType Of SiteRAILWAYCollections9Images8
