Researchers set up block nets to perform population estimates.
![Researchers set up block nets to perform population estimates](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/CRRLTRHomepage.jpg?itok=7wmVbP-q)
Detailed Description
Sam Doak (center) and scientists from the Confederated Tribes and Bands of the Yakama Nation set up block nets to perform population estimates of fish in a pool on Rock Creek, WA.
Sources/Usage
Public Domain.