Guide to the geology of the Apple River Canyon State Park and surrounding area of northeastern Jo Daviess County, Illinois
By: Wayne T. Frankie, Robert S. Nelson
Contributors: Nelson, Robert S.; Illinois State Geological Survey
Series: Field trip guidebook -- 2002B; Field trip guidebook (Illinois State Geological Survey) -- 2002B.
Publisher: Illinois State Geological Survey
Published: 2002
Place of publication: Champaign, IL
Language: eng
Number of pages: 88
Subjects: Geology
Notes: "October 19, 2002; November 2, 2002."

Includes bibliographical references (p. 70-73).