USGS scientists handling a core sample collected from a riverbed.
![USGS scientists handling a core sample collected from a riverbed.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/sedement-researchers.jpg?itok=TMV6bfGy)
Detailed Description
USGS scientists handling a core sample collected from a riverbed. The top of the core is being sliced off for analysis in the lab.
Sources/Usage
Public Domain.