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Creator
- Kingsbury, Robert C.77
- Hollingsworth, John M.68
- Indiana University. Research Computing Center19
- Geological Survey (U.S.)7
- Illinois State Geological Survey2
- Indiana. Geological Survey2
- Gray, Henry Hamilton, 1922-1
- Guernsey, E. Y.1
- Hutchison, Harold C. (Harold Christy), 1925-1
- Indiana. Employment Security Division. Research and Statistics Section1
- Indiana. State Highway Commission1
- Keller, Stanley J.1
- Powell, Richard L.1
- Purcell, Roger L.1
- River Hills Regional Planning Commission1
- Schneider, Allan F. (Allan Frank), 1926-1
- Switzer, J. E. (Jesse Elmer)1
- United States. Army. Corps of Engineers. Louisville District1
- United States. Federal Insurance Administration1
- Wayne, William J. (William John), 1922-1