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Creator
- Geological Survey (U.S.)3
- Herron, W. H. (William Harrison), 1865-3
- Marshall, R. B. (Robert Bradford), 1867-19493
- Griffin, W. H. (William H.)2
- Hawkins, Geo. T. (George T.)2
- Illinois State Geological Survey2
- Renshawe, John H.2
- Sadler, C. L.2
- Blair, H. B. (Herbert Buxton), 1860-19051
- Illinois. Department of Registration and Education1
- Lloyd, W. J. (Topographer)1
- McKinney, R. C. (Robert C.)1
- Tweedy, Frank, 1854-19371
- U.S. Coast and Geodetic Survey1
- U.S. Lake Survey1
- United States. Army. Corps of Engineers1