Relief shown by hachures.
Structure contour interval 10 feet. Key bed: Chattanooga shale (top).
"Oil and gas development correct to October 1, 1924."
Includes general geologic section, list of "Plane table levels", and note.
Covers parts of Estill, Jackson, Lee, Madison and Rockcastle counties, Kentucky, from Wallaceton east to Evelyn, and Irvine south to Clover Bottom.