Method for depositing dust during hydraulicking of minerals by a
Method for developing thick beds of minerals
Method for dewatering a subterranean formation via a borehole
Method for displacing large blocks of earth
Method for dredging rock with a pick and water jet combination
Method for establishing a combustion zone in an in situ oil shal
Method for establishing a combustion zone in an in situ oil shal
Method for excavating a tunnel rock face by drilling a...
Method for excavating a working face by blasting
Method for explosive breaking of hard compact material
Method for explosive expansion toward horizontal free faces for
Method for explosively expanding a pillar
Method for explosively expanding a pillar for forming an in situ
Method for forming a barrier
Method for forming a module of in situ oil shale retorts
Method for forming an in situ oil shale retort
Method for forming an in situ oil shale retort
Method for forming an in situ oil shale retort
Method for forming an in situ oil shale retort in differing grad
Method for forming an in situ oil shale retort with controlled s