FLORIDA GEOLOGICAL SURVEY


Spechler, R., and Kroening, S.E., 2007, Hydrology of Polk County, Florida: U.S. Geological Survey
 Scientific Investigations Report 06-5320, 114 p.

Steinkampf, W.C., 1982, Origins and distribution of saline groundwaters in the Floridan aquifer in coastal
 southwest Florida: U.S. Geological Survey Water-Resources Investigations Report 82-4052, 38 p.

Stewart, H.G., 1966, Groundwater resources of Polk County: Florida Geological Survey Report of
 Investigations 44, 170 p.

Swancar, A., and Hutchinson, C.B., 1995, Chemical and isotopic composition and potential for
 contamination of water in the upper Floridan aquifer, west-central Florida, 1986-89: U.S.
 Geological Survey Water-Supply Paper 2409, 70 p.

Tanner, W.F., 1960a, Florida coastal classification: Transactions of the Gulf Coast Association of
 Geological Societies v. 10, p. 259-266.

 1960b, Bases for coastal classification: Southeastern Geology v. 1, p. 13-22.

Tihansky, A.B., 1999, Sinkholes, west-central Florida, in Galloway, D., et al., eds. Land subsidence in the
 United States: U.S. Geological Survey Circular 1182, p. 121-140.

 2005, Effects of aquifer heterogeneity on groundwater flow and chloride concentrations in the
 Upper Floridan aquifer near and within an active pumping well field, west-central Florida: U.S.
 Geological Survey Scientific Investigations Report 2004-5268, 75 p.

Tihansky, A.B., Arthur, J.D., and DeWitt, D.W., 1996, Sublake geologic structure from high-resolution
 seismic-reflection data from four sinkhole lakes in the Lake Wales Ridge, central Florida: U.S.
 Geological Survey Open-File Report 96-224, 71 p.

Torres, A.E., Sacks, L.A., Yobbi, D.K., and Knochenmus, L.A., 2001, Hydrogeologic framework and
 geochemistry of the intermediate aquifer system in parts of Charlotte, DeSoto and Sarasota
 Counties, Florida: U.S. Geological Survey Water-Resources Investigations Report 01-4015, 74 p.

Trommer, J.T., 1987, Potential for pollution of the upper Floridan aquifer from five sinkholes and an
 internally drained basin in west-central Florida: U.S. Geological Survey Water-Resource
 Investigations Report 87-4013, 103 p.

 1993, Description and monitoring of the saltwater-freshwater transition zone in aquifers along
 the west-central coast of Florida: U.S. Geological Survey Water-Resources Investigations Report
 93-4120, 56 p.

Upchurch, S.B., 1992, Quality of water in Florida's aquifer systems, in Maddox, G.L., Lloyd, J.M., Scott,
 T.M., Upchurch, S.B., and Copeland, R., eds., Florida's groundwater quality monitoring program
 Background hydrogeochemistry: Florida Geological Survey Special Publication 34, p. 12-51.

Upchurch, S.B., Strom, R.N., and Nuckels, M.G., 1982, Silicification of Miocene rocks from central
 Florida; in Scott, T.M., and Upchurch, S.B., eds., Miocene of the southeastern United States:
 Florida Geological Survey Special Publication No. 25, p. 251-284.