Illinois State Geological survey
Subtitle: its history and activities.
Series: Educational series / Illinois State Geological Survey Division -- 12.
Publisher: Illinois State Geological Survey Division
Published: 1980
Place of publication: Urbana, Illinois
Language: eng
Number of pages: 37
Subjects: Illinois State Geological Survey
Notes: "This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Survey. The act creating the Geological Survey was approved by the Illinois General Assembly on May 12, 1905, and H. Foster Bain assumed direction of the Survey on November 1."