Moel Fferna slate quarry, Glyndyfrdwy.
Criccieth - the Seafarers
Ed Hurst Davies 1900s
Hendremeredydd quarry 1900s
Plynlimon Lead Mine
Photoscoot 2020: site of Green's Foundry,...
Names of Dyffryn Nantlle Slate Quarries Artwork
Cwmystwyth Lead Mines from the east
Cwmystwyth Lead Mines from the west
Kingside Mine, Cwmystwyth
Plan and Section of Cwmystwyth Concentration Mill
Nantlle Railway tunnel, Dorothea Quarry
Dororthea Quarry Beam Engine
Inscription of JER with a partial date
Abergynolwyn 1903
Penyrorsedd
Dorothea Quarry Boilers
Pen y Bont Workers, Oakley Quarry, Blaenau...
Llanfair Slate Yard c1905
Penmaenmawr Quarry
