Bryn Tail lead mine
Bryntail mine, near Llanidloes
MFS on Pumlumon
MFS at Dylife
Trimsaran (Trim)
Various photo of Bro Machno
The site of Treflys Chapel, Gerlan, Bethesda,...
Ponc Leval Shed, Penrhyn Quarry, Bethesda,...
Names of Dyffryn Nantlle Slate Quarries Artwork
Memories of Dyffryn Nantlle, John Gruffydd...
Memories of Dyffryn Nantlle (3)
The poem 'Copper Mountain'
Nantlle Railway tunnel, Dorothea Quarry
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
Penyrorsedd
Barracks at Dinorwig Quarry 1973
View of Dinorwig Quarry 1977
View of the Malwoden Lwyd at National Slate Museum
Hydro Electric Power scheme 1977
View of the Hydro Electric Power scheme being...
Hydro Electric Power scheme being built
Slate rubble at Dinorwig Quarry 1973
Aerial view of Gilfach Ddu worshops 1973
Graffiti on walls of barracks 1973