Magma evacuation systems for the prevention of explosions...
Method and apparatus for preventing mud slides
Method and apparatus for setting pilings in frozen ground
Method for forming domes from subterranean diapiric material
Method for initiating in-situ vitrification using an impregnated
Method for preventing damage to a refrigerated gas pipeline due
Method for reducing frost heave of refrigerated gas pipelines
Method of isolating a nuclear reactor or other large structures
Method of preparing a foundation structure
Method of selective underground mining and stabilization of rock
Methods for forming supported cavities by surface cooling
Mine cooling power recovery system