Montana Main Beam to Dig Mine Tunnel
- The TBM is set to excavate a development tunnel at the Stillwater Mine, North America's largest provider of platinum and palladium
- The unique TBM is equipped with both roof/probe drills and core drills to determine the ground conditions
- Rock support, depending on the ground conditions, may range from ring beams, shotcrete, and rock bolts to McNally crown support consisting of continuous steel slats