Dee Bank Lead Works Bagillt.
Dee Bank leadworks Bagillt, overview of this...
Dee Bank Leadworks Bagillt, an important...
Photograph of Owen Roberts
Hendremeredydd workers 1916
Plynlimon Lead Mine
Names of Dyffryn Nantlle Slate Quarries Artwork
Era quarry
Postcard of Cwmystwyth Lead Mines and nearby...
Nantlle Railway tunnel, Dorothea Quarry
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
Gwaith y Fron spoil heap
Penyrorsedd
Dorothea Quarry Boilers
Pen y Bont Workers, Oakley Quarry, Blaenau...
Penmaenmawr Quarry