Glacial Aquifer System
![Image: Glacial Aquifer System](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/2014-13a-Inside.jpg?itok=mSHnZXY9)
Detailed Description
Glacial Aquifer System in the Midwest, near Canton, IL; Bill Morrow getting to the field early.
Sources/Usage
Public Domain.
Glacial Aquifer System in the Midwest, near Canton, IL; Bill Morrow getting to the field early.
Public Domain.