This site contains 25 questions on the topic of surface water and groundwater, which covers rivers and aquifers. This is part of the Principles of Earth Science course at the University of South Dakota. Users submit their answers and are provided immediate verification.
This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you
have information we can use to flesh out or correct this record let us know.