Geophysical Mapping: Problem Findings Displays the valid Assignments. To display specific method information, click on the method name.  Problemtype  Problem  Assigner  Method  Methodtype   Buildings and Structures   Quality / Thickness of concrete   +   Borehole imaging, Structure logging   Borehole Methods       +   Ground infrared thermography   Thermic Methods       +   Ground penetrating radar (surface-based)   Electromagnetic Methods       +   Seismic crosshole tomography   Seismic Techniques       +   Self potential   Electrical Methods       0   Acoustic logging   Borehole Methods       0   DC geoelectrics - Profiling   Electrical Methods       0   Geoelectrics - Tomography (surface based)   Electrical Methods       0   Nuclear logging   Borehole Methods       0   Refraction seismic tomography (surface-based)   Seismic Techniques       0   Standard refraction seismics   Seismic Techniques       US   Very-high resolution reflection seismics   Seismic Techniques Search Again         Applicable Techniques