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Creator
- George List53
- Geological Survey (U.S.)4
- Illinois State Geological Survey3
- Photographer: Dorwin, John T.3
- United States. Army Map Service3
- Bloomington Chamber of Commerce (Bloomington, Ind.)1
- Cisneros, José1
- Editor: David Wright1
- Guide Art Co.1
- H.M. Gousha Company1
- Kingsbury, Robert C.1
- Sponsor: Student Senate, Dr. James Hurt1
- United States. Army. Corps of Engineers1
- United States. Army. Corps of Engineers. Louisville District1