USGS hydrologists measure streamflow while standing in the middle of an Iowa stream.
![Three people measure streamflow while standing in the middle of an Iowa stream, leafy foliage surrounds stream.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/IMG_0963%20iowa%20june%202007_edit.jpg?itok=-KwoCM0p)
Detailed Description
Three USGS hydrologists measure streamflow while standing in the middle of an Iowa stream near Fort Dodge, Iowa.
Sources/Usage
Public Domain.