Trimsaran (Trim)
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
'The Carved Slates of Dyffryn Ogwen 1830...
Photocopy of rubbing of carved slate
Mining Hat from Ceredigion Museum
Cwmorthin Remembered documentary (with subtitles)
Cwmorthin Remembered documentary
ORION lost off St David's Head 26 October...
The Slate Industry