Geologic mapping of Kentucky : a history and evaluation of the Kentucky Geological Survey-U.S. Geological Survey mapping program, 1960-1978 /
by Earle R. Cressman and Martin C. Noger ; prepared in cooperation with the Kentucky Geological Survey
- Washington,D.C. : United States Government Printing Office, 1981
- iii, 22 p. : ill. ; 26 cm.
- Geological Survey circular ; 801 .