Geophysics air
By Lower Mississippi-Gulf Water Science Center
2008 (approx.)
![Geophysics air](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/geophysics_air.png?itok=XrTzwBL9)
Detailed Description
A low-flying helicopter towing a large cylindrical sensor, called a “bird,” collected airborne electromagnetic resistivity data in Nebraska. The helicopter flew about 200 feet above the ground at a speed of about 70 miles per hour.
Sources/Usage
Public Domain.