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Creator
- Renshawe, John H.[remove]45
- Geological Survey (U.S.)42
- Hawkins, Geo. T. (George T.)31
- Goodlove, C. W.23
- McKinney, R. C. (Robert C.)18
- U.S. Lake Survey11
- Blair, H. B. (Herbert Buxton), 1860-19058
- Cooke, Chas. E. (Charles E.)5
- Lovell, W. H. (William H.)2
- Wilson, Herbert M. (Herbert Michael), 1860-19202
- Illinois State Geological Survey1
- Illinois. Department of Registration and Education1
- Lloyd, W. J. (Topographer)1