Petrographic and ceramic properties of Pennsylvanian shales of Illinois
By: by Ralph E. Grim. Printed by authority of the state of Illinois.
Published: 1941
Place of publication: Urbana, Illinois
Language: eng
Number of pages: 15
Subjects: Shale.
Other titles: Pre-Pennsylvanian shales of Illinois.
Notes: Bibliographical foot-notes.
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.
"Reprinted from the Journal of the American Ceramic Society, vol. 24, no. 1, pp. 23-28, 1941."