Before and After
By Geological Materials Repository
September 2022 (approx.)
![Before and after photo showing disorganized soil samples and their organized counterparts.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/fig%201%20guidance%20doc%20before%20and%20after%20figure.jpg?itok=qQYw2z21)
Detailed Description
Before and after photo showing disorganized soil samples and their organized counterparts.
Sources/Usage
Public Domain.
USGS photos by A. L. Atwater