Moel Fferna slate quarry, Glyndyfrdwy.
Trimsaran (Trim)
Anonymous: 'The Welsh Settlers in Wicklow&...
Names of Dyffryn Nantlle Slate Quarries Artwork
Nantlle Railway tunnel, Dorothea Quarry
Inscription of JER with a partial date
Dororthea Quarry Beam Engine
Penyrorsedd
Dorothea Quarry Boilers
Memories of Margaret Culverhouse (nee Jones)