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Category Archives: Environmental Geophysics

Pieces of Mined Coal

Electrical Imaging of Historic Subsurface Coal Mining

A proposed gas fired power generating plant is being constructed over an […]

THG employee using an electromagnetic conductivity meter to map the subsurface

Electromagnetic Mapping Methods for Landfill Seeps

During a new landfill construction, an existing valley needed to be cut […]

Electrical resistivity imaging survey setup.

Electrical Imaging of Landfill Bedrock

Concerns were expressed about underlying bedrock conditions affecting settlement for a proposed […]

THG employee performing a very low frequency mapping survey

What is VLF mapping?

I’ve had the opportunity to get to know a few different consulting […]

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4280 Old William Penn Hwy.
Murrysville, PA 15668

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