
THG Geophysics One-Call Service
The “811” system, commonly known as “Call-before-you-dig” or “One-Call”, was established in […]
The “811” system, commonly known as “Call-before-you-dig” or “One-Call”, was established in […]
A proposed gas fired power generating plant is being constructed over an […]
During a new landfill construction, an existing valley needed to be cut […]
THG geophysics was contracted to perform a geophysical investigation to characterize bedrock […]
Conventional geotechnical investigation techniques like test pits and borings can sometimes impose […]
THG Geophysics was asked to investigate an open hole that was exposed […]
As part of the development process for oil and gas well sites […]
Subsurface coal mining underlies many regions of southwestern Pennsylvania. The remnant subsurface […]
GF Instruments has just […]
One of the most useful applications of geophysical survey techniques is the […]