industry

industry

Geological map of the mining district of Cornwall… (Thomas, 1819)
Section of the Bath Easton Coal Mine, Avon (Unknown, 1808?)
‘Gold mines, County of Wicklow’
Plan of Stora Grufna coppermine, Sweden

Section of Stora Grufna coppermine, Sweden
‘A sketch of a section of Wheal Unity Tin Mine in Devonshire’
Swanscombe Hill. Looking NNW
Fault in the coal workings of Cwm Sychan, Monmouthshire