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   Foundations of ancient structures   +   Airborne magnetics   Magnetic Methods       +   DC geoelectrics - Profiling   Electrical Methods       +   Frequency-domain electromagnetics - Profiling   Electromagnetic Methods       +   Frequency-domain electromagnetics - Sounding   Electromagnetic Methods       +   Geoelectrics - Tomography (surface based)   Electrical Methods       +   Ground magnetics   Magnetic Methods       +   Ground penetrating radar (surface-based)   Electromagnetic Methods       +   Ground penetrating radar - Borehole tomography   Electromagnetic Methods       +   Seismic crosshole tomography   Seismic Techniques       0   Airbore electromagnetic methods   Electromagnetic Methods       0   Borehole imaging, Structure logging   Borehole Methods       0   Geoelectrics - Crosshole tomography   Electrical Methods       0   Micro gravity   Gravity       0   Refraction seismic tomography (surface-based)   Seismic Techniques       0   Shallow Water Seismics - Lake Seismics   Seismic Techniques       0   Standard refraction seismics   Seismic Techniques       0   VLF / VLF-R, Radiomagnetotellurics   Electromagnetic Methods       0   Vertical seismic profiling (VSP)   Seismic Techniques Search Again         Applicable Techniques