Willow Spring in Hack Canyon in Arizona north of the Grand Canyon
![Willow Spring in Hack Canyon in Arizona north of the Grand Canyon](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/willow_hack_spring_arizona_fuller_l.jpg?itok=hNi51AaU)
Detailed Description
Willow Spring in Hack Canyon in Arizona north of the Grand Canyon. A sign next to the spring says Water Not Suitable for Drinking. The spring has elevated levels of uranium and selenium. The elevated uranium level is most likely not associated with breccia-pipe uranium mining in the area.
Sources/Usage
Public Domain.