Spring Water Sampling
![Image: Spring Water Sampling](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/mineral_assessment.jpg?itok=_xwXMvK6)
Detailed Description
A USGS geologist samples spring water near a gold prospect in the Shotgun Hills, Alaska.
Sources/Usage
Public Domain.
A USGS geologist samples spring water near a gold prospect in the Shotgun Hills, Alaska.
Public Domain.