Photograph of Owen Roberts
Graen App Launch
Names of Dyffryn Nantlle Slate Quarries Artwork
Nantlle Railway tunnel, Dorothea Quarry
Dorothea Quarry Graffiti
Inscription of JER with a partial date
Quarryman graffiti
Inscription J.T.H 1939
Gravestone of J. Anton Stoop
Cilgwyn, Dyffryn Nantlle
Penyrorsedd
Twll Coch, Dorothea quarry
R. Williams Parry
Dewi Emrys