Mules loaded with sampling equipment and supplies, Yellowstone
![Mules loaded with equipment, Yellowstone](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Mules.jpg?itok=r5BNIVCJ)
Detailed Description
Mules loaded with sampling equipment and supplies for a mission to collect gas and thermal water samples from the Bechler River area in the southwest part of Yellowstone National Park.
Sources/Usage
Public Domain.