USGS biologists Killian Kelly and Marlene Dodson
![USGS biologists Killian Kelly and Marlene Dodson performing an ultrasound examination on a reproductive female](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/MarleeKillianUltrasound.png?itok=6SFsCTaM)
Detailed Description
USGS biologists Killian Kelly and Marlene Dodson performing an ultrasound examination on a reproductive female from the Yellowstone River to determine if she has spawned.
Sources/Usage
Public Domain.