A view of the state created from images captured from Earth orbit. The original version, a 38" × 52", 1:500,00-scale false-color map created in 1985, may be purchased by contacting the ISGS Information Office.
Richard C. Berg, Director
615 E. Peabody
Champaign, IL 61820
© 2021 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.