Generally, we obtain two kinds of samples in the clean uninteresting system at various depths. There are 2 sorts of samples: a) disturbed samples and b) undisturbed samples. Every time soil in-situ properties alter, we check with the samples as disturbed soil samples. Schlumberger strategies/ Wenner 4-Pole technique Soil Resistivity https://josephy985ysc9.bimmwiki.com/user