The Crosshole seismic survey yields valuable information as to the strength and cohesiveness of the underlying sediment and bedrock. Crosshole Seismic Surveys measure the time for horizontally traveling compressional (P) and shear (S) waves to travel from a source borehole to a receiver borehole. Travel times are used to determine P and S wave velocities, which can be used to compute Poissons ratio, as well as the other elastic moduli.

The Electrical Resistivity Survey technique is applicable in ground water exploration, bed rock mapping, mineral exploration etc. Resistivity measurements can be interpreted qualitatively and quantitatively in terms of a lithologic and geohydrologic model of the subsurface.