Unsaturated-Zone Instruments Used to Estimate Ground-Water Recharge
![Unsaturated-zone instruments used to estimate ground-water recharge are installed in oil-saturated soils](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/installed_probs_l.jpg?itok=gQwASrBp)
Detailed Description
Trench with unsaturated-zone instruments installed in trench wall
Sources/Usage
Public Domain.
Trench with unsaturated-zone instruments installed in trench wall
Public Domain.