Hall, F.R., and Palmquist, W.N., Jr., 1960, Availability of ground
water in Clark, Estill, Madison, and Powell Counties, Kentucky: U.S.
Geological Survey Hydrologic Investigations Atlas HA-19, 3 sheets, scale
Hess, J.W., 1975, Hydrochemical investigations of the central Kentucky
karst aquifer system: Dissertation Abstracts International, v. 35, no.
11, p. 5490B-5491B.
Palmquist, W.N., Jr., and Hall, F.R., 1961, Reconnaissance of ground-water
resources in the Blue Grass Region, Kentucky: U.S. Geological Survey
Water-Supply Paper 1533, 39 p.
Smith, M.O., 1964, The problem of leaking farm ponds and their relation
to stratigraphic zones and other factors in the inner Blue Grass Region
of Kentucky: Kentucky Geological Survey, ser. 10, Thesis 1, 64 p.
Water-resource publications of the Kentucky Geological Survey may be viewed at the Water Research Library on the Kentucky Geological Survey's Web site.