Trimsaran (Trim)
William Jones who lived at Shop Fach...
William Jones who lived at the shop fach Ceinws...
Cloddiad Pen y Bryn Excavation
Names of Dyffryn Nantlle Slate Quarries Artwork
Esgairfoeleirin Quarry
Nantlle Railway tunnel, Dorothea Quarry
Inscription of JER with a partial date
Dororthea Quarry Beam Engine
Cilgwyn, Dyffryn Nantlle
Cwmorthin Remembered documentary (with subtitles)
Cwmorthin Remembered documentary
The Slate Industry