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Creator
- Hawkins, Geo. T. (George T.)[remove]37
- Geological Survey (U.S.)34
- Renshawe, John H.31
- Goodlove, C. W.25
- Blair, H. B. (Herbert Buxton), 1860-19056
- McKinney, R. C. (Robert C.)6
- Cooke, Chas. E. (Charles E.)5
- Ellis, J. R. (Topographer)5
- Gehres, W. S. (Wilmer Sherman), 1887-19635
- Herrington, R. M. (Russell McKee), 1890-19775
- Herron, W. H. (William Harrison), 1865-5
- Kentucky Geological Survey5
- Marshall, R. B. (Robert Bradford), 1867-19495
- U.S. Coast and Geodetic Survey5
- United States. Army. Corps of Engineers5
- Illinois State Geological Survey1
- Illinois. Department of Registration and Education1
- Lloyd, W. J. (Topographer)1
- U.S. Lake Survey1