Trimsaran (Trim)
Ceiau Afon Dwyryd [Welsh]
Cloddiad Pen y Bryn Excavation
Names of Dyffryn Nantlle Slate Quarries Artwork
Nantlle Railway tunnel, Dorothea Quarry
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
Cilgwyn, Dyffryn Nantlle
Cwmorthin Remembered documentary (with subtitles)
Cwmorthin Remembered documentary
The Slate Industry