Geophysical methods can provide insight into conditions and objects below the surface while reducing or eliminating the need for invasive, and expensive, drilling or excavating. These methods can locate buried objects, define subsurface geology, delineate voids, and detect contaminating. Esther Babcock, geophysicist at Logic Geophysics & Analytics, will discuss ground-penetrating radar, seismic, and resistivity their capabilities as related to Alaskan ...