Kristen St John Author

About the Authors

Dr Kristen St. John is a Professor of Geology at James Madison University.

Dr R. Mark Leckie is a Professor of Geology at the University of Massachusetts-Amherst.

Dr Kate Pound is a Professor of Geology and a member of the Science Education Group at St. Cloud State University.

Dr Megan Jones is a Professor of Geology at North Hennepin Community College.

Dr Lawrence Krissek is a Professor Emeritus in the School of Earth Sciences, Ohio State University.