# Certerra Subsurface

> Certerra Subsurface provides technology-enabled subsurface investigation, testing, inspection, and certification services that help clients understand underground conditions and make informed decisions across infrastructure, environmental, mining, and water projects.

This llms.txt file highlights the main pages for understanding Certerra Subsurface's services, methods, and project capabilities.

## Main Pages
- [Home](https://www.certerra-subsurface.com/)
- [About Us](https://www.certerra-subsurface.com/about-us/)
- [Services](https://www.certerra-subsurface.com/services/)
- [Methods](https://www.certerra-subsurface.com/methods/)
- [Projects](https://www.certerra-subsurface.com/projects/)
- [Our Locations](https://www.certerra-subsurface.com/our-locations/)
- [News & Events](https://www.certerra-subsurface.com/news/)

## Core Service Categories
- [Geophysical Characterization](https://www.certerra-subsurface.com/services/geophysical-characterization/)
- [Utility Investigation Services](https://www.certerra-subsurface.com/services/utility-investigation-services/)
- [Mining](https://www.certerra-subsurface.com/services/mining/)
- [Drilling](https://www.certerra-subsurface.com/services/drilling/)
- [Leak Detection](https://www.certerra-subsurface.com/services/leak-detection/)
- [Environmental Monitoring](https://www.certerra-subsurface.com/services/environmental-monitoring/)
- [Infrastructure Integrity](https://www.certerra-subsurface.com/services/infrastructure-integrity/)
- [Dam Characterization](https://www.certerra-subsurface.com/services/dam-characterization/)

## Core Method Categories
- [Geophysical Methods](https://www.certerra-subsurface.com/methods/geophysical-methods/)
- [Seismic & Acoustic Methods](https://www.certerra-subsurface.com/methods/seismic-acoustic-methods/)
- [Potential Field Methods](https://www.certerra-subsurface.com/methods/potential-field-methods/)
- [Direct Investigation](https://www.certerra-subsurface.com/methods/direct-investigation/)
- [Drilling Methods](https://www.certerra-subsurface.com/methods/drilling-methods/)
- [Sampling Methods](https://www.certerra-subsurface.com/methods/sampling-methods/)

## Optional
- [Sitemap Index](https://www.certerra-subsurface.com/sitemap_index.xml)