The Slate Landscape of Northwest Wales
Bethesda and Penrhyn Slate Quarry
© Crown copyright. RCAHMW
Author: RCAHMW
Dinorwig Slate Quarry Mountain Landscape - Port Penrhyn, Penrhyn Castle and the Ogwen Valley
© Crown copyright. RCAHMW
Author: RCAHMW
Dinorwig Slate Quarry Mountain Landscape
© Crown copyright. RCAHMW
Author: RCAHMW
Dinorwig Slate Quarry Mountain Landscape - Australia’ Level
© Crown copyright. RCAHMW
Author: RCAHMW
Dinorwig Slate Quarry Mountain Landscape - Australia’ Level mill saw-tables
© Crown copyright. RCAHMW
Author: RCAHMW
Dinorwig Slate Quarry Mountain Landscape - V2 inclined plane
© Crown copyright. RCAHMW
Author: RCAHMW
Nantlle Valley Slate Quarry Landscape - 'Blondin’ ropeway, Pen yr Orsedd Slate Quarry
© Gwynedd Archaeological Trust
Author: Dave Hopewell
Ffestiniog: its Slate Mines and Quarries, ‘city of slates’ and Railway to Porthmadog - Blaenau ...
© Crown copyright. RCAHMW
Author: RCHAMW
Bryneglwys Slate Quarry, Abergynolwyn Village and the Talyllyn Railway - Underground workings ...
© Jon Knowles
Author: Jon Knowles
Bryneglwys Slate Quarry, Abergynolwyn Village and the Talyllyn Railway - Talyllyn Railway ...
© Rheilffordd Talyllyn Railway
Author: Darren Turner