Modern concepts of clay materials
By: by Ralph E. Grim. Printed by authority of the state of Illinois.
Published: 1942
Place of publication: Urbana, Illinois
Language: eng
Number of pages: 275
Subjects: Clay.
Notes: At head of title: State of Illinois, Dwight H. Green, Governor. Department of Registration and Education, Frank G. Thompson, Director. Division of the State Geological Survey, M. M. Leighton, Chief, Urbana.
"Reprinted from the Journal of Geology, vol. I, no. 3, April-May, 1942."