Employees from Thyssen Mining complete construction of a temporary work platform over the main ore pass on the 4850 level. All blasted rock from the project will be dumped down this pass before being hoisted to surface.
A robotic shotcrete applicator waits to be lowered into the newly excavated 12-foot diameter, 1,200-foot tall ventilation raise at the LBNF FSCF project in Lead, South Dakota.