boulby potash mine is on the east coast just up from whitby,its a cracking drive accross the moors from york.
its the largest working mine in the country with upto 550 men below ground.
its also one of the deepest mines at 1300m and they are digging in virgin rock so temperatures are upto 45c.
the mine is owned by ICL Fertilizers
We dont use the flame lamp anymore at boulby , we have new electronic testerscalled solaris
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