Stratigraphic policy of the Illinois State Geological Survey /

Bibliographic Details
Main Author: Willman, H. B. (Harold Bowen), 1901-
Format: Book
Language:English
Published: Urbana : Division of the Illinois State Geological Survey, 1958.
Series:Circular (Illinois State Geological Survey) ; 249.
Subjects:
Description
Physical Description:14 pages
Bibliography:Bibliography: page 14.