Moel Fferna slate quarry, Glyndyfrdwy.
Trimsaran (Trim)
Anonymous: 'The Welsh Settlers in Wicklow&...
Plynlimon Lead Mine
Names of Dyffryn Nantlle Slate Quarries Artwork
Nantlle Railway tunnel, Dorothea Quarry
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
old black and white film showing two men...