Commonly, we obtain two types of samples in the clean unexciting method at unique depths. There are two kinds of samples: a) disturbed samples and b) undisturbed samples. When soil in-situ Homes transform, we refer to the samples as disturbed soil samples. Schlumberger strategies/ Wenner 4-Pole system Soil Resistivity Examination. https://donovannsvdh.blogminds.com/rumored-buzz-on-ground-resistivity-testing-bangladesh-35575541