# AGI (Advanced Geosciences, Inc)
*Makers of our mighty SuperStingR8 electrical resistivity meter.

## AGI's Blog and Case Histories
- AGI's [Blog](https://www.agiusa.com/blog)
- AGI's [Applications and Case Histories](https://www.agiusa.com/applications)

## Help Desk - Q&A
You can find advice and answers to user submitted questions at the [Help Desk](https://helpdesk.agiusa.com/)

## Selected Posts
- [How to find groundwater using electrical resistivity imaging](https://www.agiusa.com/blog/how-find-groundwater-using-electrical-resistivity-imaging)
- [Introduction to Induced Polarization Surveying](https://www.agiusa.com/introduction-to-induced-polarization-surveying)
- [Behind The Scenes Of Groundwater Exploration With Electrical Resistivity](https://www.agiusa.com/behind-scenes-groundwater-exploration-electrical-resistivity)
- [Electrical Resistivity: Everything You Need To Know](https://www.agiusa.com/electrical-resistivity-everything-you-need-to-know)
- [Baroid Bentonite 50 lb Bore-Gel, Drilling Fluids, Drilling Equipment Resources](https://drillingequipmentresources.com/product/baroid-bentonite-50-lb-bore-gel/)

- [Quick Tip: Using an AGI Soil Box for Soil Tests](https://www.agiusa.com/blog/quick-tip-using-agi-soil-box-soil-tests)

- How do [1-, 2-, and 3-D surveys compare?](https://www.agiusa.com/blog/how-do-1d-2d-and-3d-resistivity-surveys-compare)
- [2D Resistivity Surveys: The Benefits, Limitations, & Technology](https://www.agiusa.com/2d-resistivity-survey)
- [In-Depth Descriptions Of 3 Soil Resistivity Testing Techniques](https://www.agiusa.com/descriptions-of-soil-resistivity-testing-techniques)
- [How can Groundwater become contaminated?](https://www.agiusa.com/blog/how-can-groundwater-become-contaminated)
- [Webinar | Summary of the AGI EarthImager Inversion Modelling Software Features](https://www.agiusa.com/blog/webinar-summary-agi-earthimager-inversion-modelling-software-features)
- [Assessing subsurface geological hazards for construction - Geotechnical Site Investigation in Dubai](https://www.agiusa.com/assessing-subsurface-geological-hazards-construction)

- [How To Do Small-Scale Electrical Resistivity Imaging Lab Tests](https://www.agiusa.com/blog/how-do-small-scale-electrical-resistivity-imaging-lab-tests)
- [Quick Tip: Depth of Investigation for ERI Surveys](https://www.agiusa.com/blog/quick-tip-depth-investigation-eri-surveys)
- [Quick Tips: Electrode Preparation and Removal](https://www.agiusa.com/blog/quick-tips-electrode-preparation-and-removal)
- [Typical Ranges of Resistivities for Common Materials](https://www.agiusa.com/blog/typical-ranges-resistivities-common-materials)
- [Single-Channel vs Multiple-Channel Systems](https://www.agiusa.com/blog/single-channel-vs-multiple-channel-systems)
- [What To Do Once You Find An Air-Filled Void](https://www.agiusa.com/blog/what-do-once-you-find-air-filled-void)
- [AGI Suggested Reading | Part 1](https://www.agiusa.com/blog/agi-suggested-reading-part-1)
- There are many other parts as well
- [How To Test For Underground Voids (Using Electrical Resistivity Imaging)](https://www.agiusa.com/blog/how-test-underground-voids-using-electrical-resistivity-imaging)
- [Parallel lines for a pseudo-3D survey](https://helpdesk.agiusa.com/electrical-resistivity-imaging-field-survey/setting-up-a-survey/what-do-i-need-to-perform-a-3d-resistivity-survey)
- [The difference between True 3D and Linear-Measured 3D Resistivity](https://www.agiusa.com/blog/difference-between-true-3d-and-linear-measured-3d-resistivity)
- Sinkholes: [The Seven Most Common Signs of Sinkholes](https://www.agiusa.com/blog/7-most-common-signs-sinkholes) and [How To Test For Underground Voids (Using Electrical Resistivity Imaging)](https://www.agiusa.com/blog/how-test-underground-voids-using-electrical-resistivity-imaging

- [3D Time-Domain Induced Polarization of a Desert Aridisol for Septic Design 3D IP INVESTIGATION](https://www.agiusa.com/3d-time-domain-induced-polarization-desert-aridisol-septic-design)

- [Using an AGI Soil Box for Soil Tests]()

## Uncategorized
- https://www.agiusa.com/blog/how-do-small-scale-electrical-resistivity-imaging-lab-tests
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