Illinois State Park Geology Series. ISBN 978-0-615-82666-0.
2005. Full color. 48 pp.
Come explore the natural beauty and wonder of the most visited state park in Illinois. Beautiful photographs, maps, and easy-to-read text will guide you through the geologic story of how the parks were formed and continue to change. This trailside view of the parks' geology is sure to give you renewed appreciation for the great rivers, bluffs, and canyons these parks contain.
PRAIRIE RESEARCH INSTITUTE 615 E. Peabody Drive, Room 139 Champaign, IL 61820 Phone: 217-244-2414