Clay products industry in Illinois in 1936
Subtitle: preliminary report
By: by W.A. Newton
Series: Illinois. State geological survey. Information circular -- no. 21; Information circular (Illinois State Geological Survey) -- no. 21.
Published: 1937
Place of publication: Urbana
Language: eng
Number of pages: 12
Subjects: Clay industries
Notes: At head of title: State of Illinois ... Department of Registration and Education. Geological Survey Division.