43rd annual Tri-State Geological Field Conference, October 5-7, 1979
Subtitle: geology of western Illinois.
Series: Guidebook series / Illinois State Geological Survey -- 14; Guidebook series (Illinois State Geological Survey) -- 14.
Publisher: Illinois State Geological Survey
Published: 1979
Place of publication: Urbana, Ill
Language: eng
Number of pages: 90
Subjects: Geology -- Illinois -- Guidebooks.
Genres: Guidebooks.
Other titles: Geology of western Illinois.
Notes: Sponsor: Illinois State Geological Survey.

Includes bibliographical references.