Slate with face of boy
Slate Bible
Slate coffer
Slate slab with cartwheel
Long slate piece
Mantle slate
Small slate box
Carved slate
Graen App Launch
Visit to Llechwedd and Bounce Below 29/9/19
The Slate Quarries at Bron Llwyd
Specimens of Rocks. Proof of an Illustration...
Shed, slate mill, Aberllefenni quarry
Viewn from winding house ruin, Aberllefenni quarry
Dyffryn Nantlle
Ceiswyn Farm, Aberllefenni
Rhiwgreiddyn slate quarry
Ceinws / Esgairgeiliog from the slate waste tips
Tramway doorway, slate mill shed Abercorris/...
Aberllefenni slate quarry 2015
