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Articles on underground void locating

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ground penetrating radar electrical resistivity underground void locating depth to bedrock geophysical services

Introduction to Electrical Resistivity Imaging

By | on 11, Apr 2017

Electrical resistivity imaging (ERI) is a non-destructive method for subsurface investigations. Although it’s not as popular as ground penetrating radar (GPR), it has its advantages and can be very us[...]

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