Sirius Minerals' Vertical Shaft Sinking Machine reaches
Sirius Minerals’ Vertical Shaft Sinking Machine reaches over 115 m depth at Woodsmith polyhalite mine Posted by Paul Moore on 5th June 2019 To construct the initial 120 m of the 360 m deep MTS shaft at Woodsmith polyhalite mine as efficiently, expediently and safely as possible, the company and its contractors deployed specialised, innovative equipment for the first time