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Creator
- Ellis, J. R. (Topographer)1
- Gehres, W. S. (Wilmer Sherman), 1887-1963[remove]1
- Geological Survey (U.S.)1
- Goodlove, C. W.1
- Hawkins, Geo. T. (George T.)1
- Herrington, R. M. (Russell McKee), 1890-1977[remove]1
- Herron, W. H. (William Harrison), 1865-1
- Kentucky Geological Survey1
- Marshall, R. B. (Robert Bradford), 1867-19491
- U.S. Coast and Geodetic Survey1
- United States. Army. Corps of Engineers1