Geological research in Kentucky. A summary account of the several geological surveys of Kentucky, including a complete list of their publications and a general bibliography of 806 titles pertaining to Kentucky geology,
by Willard Rouse Jillson ... Ten illustrations and maps ...
- Frankfort, Ky., The Kentucky Geological Survey, 1923.
- 6 p. l., 228 p. ports., fold. maps, tables. 24 cm.
- Kentucky. Geological survey 1920-1932. Ser. VI [Geologic reports] v. 15 .