USGS Hydro Techs Demonstrating Use of Churn at High School Outreach
![grass. man, woman, park, table, red, green, trees](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/usgs6.png?itok=vF8TWcOC)
Detailed Description
USGS Pennsylvania Water Science Center Hydro Techs Demonstrating Use of Churn at High School Outreach.
Sources/Usage
Public Domain.
USGS Pennsylvania Water Science Center Hydro Techs Demonstrating Use of Churn at High School Outreach.
Public Domain.