Brown, R.F., and Lambert, T.W., 1963, Reconnaissance of ground-water
resources in the Mississippian Plateau Region, Kentucky: U.S. Geological
Survey Water Supply Paper 1603, 58 p.
Lambert, T.W., and Brown, R.F.,1963, Availability of ground water in
Caldwell, Christian, Crittenden, Livingston, Lyon, Todd, and Trigg Counties,
Kentucky: U.S. Geological Survey Hydrologic Investigations Atlas HA-34,
3 sheets, scale 1:250,000.
Water-resource publications of the Kentucky Geological Survey may be viewed at the Water Research Library on the Kentucky Geological Survey's Web site.