For more information about the Upper Illinois River Basin NAWQA study, contact the Project Chief:

George Groschen
UIRB NAWQA Project Chief
U.S. Geological Survey
1201 W. University Avenue, Suite 100
Urbana, IL 61801
Email: gegrosch@usgs.gov
Phone: (217)344-0037 ext. 3012
FAX: (217)344-0082