Pulling GPR
![Scientist operates equipment console while towing GPR on ice](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/2017-AKgwsw_05_Neil.jpg?itok=9jvNGpAA)
Detailed Description
Research Hydrologist Neil Terry (USGS) collects ground-penetrating radar (GPR) data. Using hydrogeophysical tools such as GPR enables scientists to collect images of the structure and conditions of the ice below them. (April 2017)
Sources/Usage
Public Domain.