Aeromagnetic Acknowledgements and Disclaimers

We acknowledge the collaboration of Marc Silverman, Peabody Energy Inc., who was responsible for obtaining the magnetic data used in this project. Scott Elrick, Chris Korose, Blair Tormey, and Steven Sargent of the ISGS contributed to the seismic field operation. Russ Jacobson and Brett Denny provided constructive reviews of preliminary drafts of portions of this manuscript.

This report was prepared by Timothy Larson and Andre Pugin, Illinois State Geological Survey with support, in part by grants made possible by the Illinois Department of Commerce and Community Affairs through the Office of Coal Development and the Illinois Clean Coal Institute. Neither Timothy Larson, Andre Pugin, the Illinois State Geological Survey nor any of its subcontractors nor the Illinois Department of Commerce and Community Affairs, Office of Coal Development, the Illinois Clean Coal Institute, nor any person acting on behalf of either:

(A) Makes any warranty of representation, express or implied, with respect to the accuracy, completeness, or usefulness of the information contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe privately-owned rights; or (B) Assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method or process disclosed in this report.

Reference herein to any specific commercial product, process, or service by trade name trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring; nor do the views and opinions of authors expressed herein necessarily state or reflect6 those of the Illinois Department of Commerce and Community Affairs, Office of Coal Development, or the Illinois Clean Coal Institute.

Notice to Journalists and Publishers: If you borrow information from any part of this report, you must include a statement about the State of Illinois' support of the project.