« Previous
Next »
Creator
- Gehres, W. S. (Wilmer Sherman), 1887-19636
- Geological Survey (U.S.)[remove]6
- Goodlove, C. W.6
- Herrington, R. M. (Russell McKee), 1890-19776
- Herron, W. H. (William Harrison), 1865-[remove]6
- Kentucky Geological Survey6
- Marshall, R. B. (Robert Bradford), 1867-19496
- U.S. Coast and Geodetic Survey6
- Ellis, J. R. (Topographer)5
- Hawkins, Geo. T. (George T.)5
- United States. Army. Corps of Engineers5
- United States. Army1