Chronology and molluscan paleontology of two post-Woodfordian bogs in northeastern Illinois /

Bibliographic Details
Main Author: Leonard, A. Byron (Arthur Byron), 1902-1987
Format: Book
Language:English
Published: Urbana : Illinois State Geological Survey, 1974.
Series:Circular (Illinois State Geological Survey) ; 487.
Subjects:
Description
Item Description:Cover title.
Physical Description:28 pages : illustrations ; 25 cm.
Bibliography:Bibliography: pages 27-28.