Taking Readings in the Grand Canyon
![Image: Taking Readings in the Grand Canyon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/3_6.jpg?itok=xNKah6Pb)
Detailed Description
USGS Aquatic Ecologist, Ted Kennedy, getting a reading off the flow meter.
Sources/Usage
Public Domain.
USGS Aquatic Ecologist, Ted Kennedy, getting a reading off the flow meter.
Public Domain.