Photograph of Owen Roberts
Corporal Tegwyn Davies Jones, Royal Air Force...
Names of Dyffryn Nantlle Slate Quarries Artwork
Pen y Bryn Barracks Excavation
Era quarry slate finishing mill
Cambria Wyn quarry Ceinws/ Esgairgeiliog
In the open chamber at Rhiwgreiddyn slate quarry
The tramway out of Rhiwgreiddyn quarry
Inside the large open chamber of Rhiwgreiddyn...
Looking out from the entrance to Rhiwgreiddyn...
Looking in through the entrance to Rhiwgreiddyn...
Nantlle Railway tunnel, Dorothea Quarry
Dorothea Quarry Graffiti
Inscription of JER with a partial date
Dororthea Quarry Beam Engine
Quarryman graffiti
Inscription J.T.H 1939
Penyrorsedd
Dorothea Quarry Boilers
Untitled by Gee Williams
Llangynog Slate Quarry c1921
