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Creator
- Cooke, Chas. E. (Charles E.)[remove]8
- Geological Survey (U.S.)8
- Hawkins, Geo. T. (George T.)5
- Renshawe, John H.5
- Ellis, J. R. (Topographer)3
- Smith, L. Scott3
- Illinois State Geological Survey2
- Kentucky Geological Survey2
- Lloyd, W. J. (Topographer)2
- Wilson, Herbert M. (Herbert Michael), 1860-19202
- Herron, W. H. (William Harrison), 1865-1
- Kentucky. Department of Mines and Minerals1
- Marshall, R. B. (Robert Bradford), 1867-19491