Clay products industry in Illinois in 1932
Subtitle: preliminary report
By: by W.H. Voskuil
Contributors: Illinois State Geological Survey
Series: Information circular / State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey -- no. 5; Information circular (Illinois State Geological Survey) -- no. 5.
Publisher: State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey
Published: 1933
Place of publication: Urbana, Ill.]
Language: eng
Subjects: Clay industries
Notes: Cover title.

"April, 1933."