Esgair Mwyn, Ceredigion
Esgair Mwyn Mine Shafts and Linear Banks,...
Bwlch Gwyn Lead Mine, Ceredigion
Pumsaint gold mine
View of the main boiler house, Cefn Coed...
View of the surviving buildings at Cefn Coed...
General view of Cefn Coed Colliery, Crynant