Solution mining utilizing dissolved oxygen with elimination of e
Solution mining water soluble salts at high temperatures
Sonic apparatus and method for slurry well bore mining and produ
Spill-plate apparatus for a mining machine
Splitting apparatus and method
Spray nozzle for mining
Spraying nozzle arrangement
Spring loaded pick
Sprocket tightener
Stability control in underground workings adjacent an in situ oi
Stabilizing assembly for a mining machine
Stacked mineral mining plows independently driven or coupled
Staggered array of explosives for fragmented oil shale formation
Stationary drill string rotary hydraulic mining tool and method
Steerable self-regulating concrete cutting saw
Steering and cutter drum positioning in a paved roadway planing
Steering of mining machines
Steering of mining machines
Stone slotting machine
Stratum boundary sensor for continuous excavators