About the Authors

Carlock Drew C.

Department of Geography-Geology, Illinois State Geological Survey, Normal, IL USA

Thomason Jason F.

2Illinois State Geological Survey, Champaign, IL USA

Malone David H.

Department of Geography-Geology, Illinois State Geological Survey, Normal, IL USA

Peterson Eric W.

Department of Geography-Geology, Illinois State Geological Survey, Normal, IL USA

Corresponding Author

Email: dhmalon@ilstu.edu