Sinkhole Delineation
Conventional geotechnical investigation techniques like test pits and borings can sometimes impose […]
Category Archives: Void Detection
Electrical Imaging of Mine Subsidence
Subsurface coal mining underlies many regions of southwestern Pennsylvania. The remnant subsurface […]
GF Instruments NEW LG-1 Galileo Land Gravity Meter
GF Instruments has just […]
GPR – Mapping Roadway Voids at DFW Airport
Heavy vehicle use coupled with harsh weather conditions lead to deteriorating highway […]