Cover Image

Glacial tills of Northwestern Illinois /

Bibliographic Details
Corporate Author: Illinois State Geological Survey
Other Authors: Frye, John C., (John Chapman), 1912-1982
Format: Book
Language:English
Published: Urbana, [publisher not identified] ; 1969.
Series:Circular (Illinois State Geological Survey) ; 437.
Subjects:
Drift > Illinois.
Description
Item Description:Cover title.
Physical Description:45 pages : illustrations, maps. ; 25 cm.
Bibliography:Bibliography: pages 28-31.