One mile down under the North Sea, with temperatures that can reach 40C, Boulby Mine can be found near the village of ...
Almost a mile under the North Sea, in temperatures which can reach 40C (104F), miners dig out the gritting salt which is used ...
It produces hundreds of thousands of tonnes for National Highways to cover the main routes and for dozens of council ...
Boulby Mine, near the tourist ... Fifty years of digging for potash, rock salt and now polyhylite has left more than 1,100 miles of tunnels under the North Yorkshire coast, between Staithes ...
The miners, from the ICL Boulby Mine near the seaside tourist village of Staithes in North Yorkshire ... it is home to one of the world's leading projects trying to find dark matter - the mystery ...