Attaching solar panel and antennae
![USGS scientists attaching solar panel and antennae to soil moisture response unit.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/thumb.jpg?itok=K8zlsnVe)
Detailed Description
USGS scientists attaching solar panel and antennae to soil moisture response unit.
Sources/Usage
Public Domain.
USGS scientists attaching solar panel and antennae to soil moisture response unit.
Public Domain.