Method of recovering oil and water from in situ oil shale retort

Method of recovering useful minerals from subterranean deposits

Method of removing a minable product from an underground seam an

Method of removing asbestos from a building

Method of removing tar sands from subterranean formations

Method of repair of short circuits for in situ leaching

Method of restoring refractory lining for repeated use using the

Method of rubbling a pillar

Method of rubbling oil shale

Method of rubblization for in-situ oil shale processing

Method of sealing off a mine passageway

Method of securing objects in passages and arrangement obtained

Method of separating the upper coal in seams

Method of solution mining potassium chloride from subterranean d

Method of solution mining salts from an underground salt deposit

Method of solution mining subsurface orebodies to reduce restora

Method of steering a mining machine

Method of steering a mining machine

Method of steering a mining machine

Method of strip mining