Graen - Mary King Sarah
Names of Dyffryn Nantlle Slate Quarries Artwork
Memories of Dyffryn Nantlle (3)
Memories of Dyffryn Nantlle (2)
Nantlle Railway tunnel, Dorothea Quarry
Dorothea Quarry Graffiti
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
Penyrorsedd
Dorothea Quarry Boilers