Welcome to Gls

We have provided surveying and mapping for over 19 years to most of the exploration companies in the business. 

We are proud to say that our company can offer a variety of GPS, Inertia and Conventional crews with years of experience in the seismic field. 

We have over 30 company crews available to work across the United States.

We have worked on and with agencies such as BLM, Louisiana Fish & Wildlife, Army Corp of Engineers, National Park Services, National and State Forests and Indian Reservations. 

Our awareness of each organizations environmental, safety and operational specifications enable us to successfully complete the projects. read more ...

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Geophysical Land Services, LLC Brochure