The distribution and physical properties of chert gravel in Pike County, Illinois
By: James C. Cobb and Norman C. Hester
Contributors: Hester, Norman C.
Series: Illinois minerals note -- 59
Publisher: Illinois State Geological Survey
Published: 1974
Place of publication: Urbana
Language: eng
Number of pages: 21
Subjects: Chert; Gravel
Notes: Cover title.

Includes bibliographical references.