Cover Image

Lower Pennsylvanian clay resources of Rock Island, Mercer, and Henry Counties, Illinois.

Bibliographic Details
Main Author: Parham, Walter E. (Walter Edward), 1930-
Format: Book
Language:English
Published: Urbana, [publisher not identified] ; 1961.
Series:Circular (Illinois State Geological Survey) ; 322.
Subjects:
Clay > Illinois.
Geology, Stratigraphic > Pennsylvanian.
Description
Item Description:Cover title.
Physical Description:40 pages : map, tables.
Bibliography:Bibliography: page 40.