Glaciation and origin of the geest in the Driftless Area of northwestern Illinois
By: H.B. Willman, H.D. Glass, and J.C. Frye.
Contributors: Glass, H. D.; Frye, John Chapman, 1912-
Series: Circular / Illinois State Geological Survey ;; 535; Circular (Illinois State Geological Survey) ;; 535.
Publisher: Illinois State Geological Survey
Published: 1989
Place of publication: Champaign, Ill
Language: eng
Number of pages: 44
Subjects: Geest -- Illinois -- Jo Daviess County.; Glacial epoch -- Illinois -- Jo Daviess County.; Geology -- Illinois -- Jo Daviess County.
Notes: Includes bibliographical references (p. 39-40).