Mining or in situ disintegration of hard material
Tunnel recovery of fluid material
Inventor
active
Control of airblast during explosive expansion in an in situ oil
Fluid outlet at the bottom of an in situ oil shale retort
Hinged bridging plug for explosive placement holes
In situ oil shale retort having horizontally offset pillars
In situ oil shale retort system
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Profile ID: LFUS-PAI-P-192359