The story of the geologic making of southern Illinois
Series: Illinois State Geological Survey Education Series -- no. 1
Publisher: Printed by authority of the State of Illinois
Published: 1927
Place of publication: Urbana, Ill
Language: eng
Number of pages: 41
Notes: At head of title: State of Illinois. Department of Registration and Education. A.M. Shelton, Director. Division of State Geological Survey. M.M. Leighton, Chief.