BULLETIN NO. 68 Joyner, B.F., and Sutcliffe, H., Jr., 1976, Water resources of the Myakka River basin area, southwest Florida: U.S. Geological Survey Water-Resources Investigations 76-58, 87 p. Katz, B.G., 1992, Hydrochemistry of the upper Floridan aquifer, Florida: U.S. Geological Survey Water- Resources Investigations Report 91-4196, 37 p. Kauffman, S.J., and Herman, J.S., 1993, Chemical evolution of groundwater in a lithologically heterogeneous aquifer: water-rock interactions with clays and carbonates: Geological Society of America 1993 Annual Meeting Abstracts with Programs, v. 25, p. 376. King, K.C., 1979, Tampa Formation of peninsular Florida: A formal definition [MS Thesis]: Tallahassee, Florida State University, 83 p. Klitgord, K.D., Dillon, W.P., and Popenoe, P., 1983, Mesozoic tectonics of the southeastern Unites States coastal plain and continental margin, in Gohn, G.S., ed., Studies related to the Charleston, South Carolina earthquake of 1866 tectonics and seismicity: U.S. Geological Survey Professional Paper 1313, p. P1-P15. Kohout, F.A., 1965, A hypothesis concerning cyclic flow of salt water related to geothermal heating in the Floridan Aquifer: New York Academy of Science Trans. 1965, p. 249-271. Knapp, M.S., 1977, The northern Brooksville Ridge, A case for topographic inversion: Florida Scientist v. 40:25 (suppl.). Environmental Geology Series Gainesville Sheet: Florida Geological Survey Map Series 79, scale: 1:250,000, 1 sheet. 1980, Environmental Geology Series Tampa Sheet: Florida Geological Survey Map Series 97, scale: 1:250,000, 1 sheet. Knochenmus, L.A., 2006, Regional evaluation of the hydrogeologic framework, hydraulic properties, and chemical characteristics of the intermediate aquifer system underlying southern west-central Florida: U.S. Geological Survey Scientific Investigations Report 2006-5013, 46 p. Knochenmus, L.A., and Bowman, G., 1998, Transmissivity and water quality of water-producing zones in the intermediate aquifer system, Sarasota County, Florida: U.S. Geological Survey Water- Resources Investigations Report 98-4091, 27 p. Knochenmus, L.A., and Yobbi, D.K., 2001, Hydrology of the Coastal Springs Groundwater Basin and adjacent parts of Pasco, Hernando and Citrus Counties, Florida: U.S. Geological Survey Water- Resources Investigations Report 01-4230, 88 p. Lane, E., 1980, Environmental Geology Series West Palm Beach Sheet: Florida Geological Survey Map Series 100, scale 1:250,000, 1 sheet. Lane, E., Knapp, M.S., and Scott, T., 1980, Environmental Geology Series Ft. Pierce Sheet: Florida Geological Survey Map Series 80, scale 1:250,000, 1 sheet. Laney, R.L. and Davidson, C.B., 1986, Aquifer-nomenclature guidelines: U.S. Geological Survey Open- File Report 86-534, 46 p.