150 PR OF IV TIONSINo50 Puri, H. S. 1953 Co-tibiit the aldy of the Miocene of the Florida Prnahudle: Floilda Geol. Survey Bull. 86, 345 p. Puri, H. S., and Virnoni .0. 1964 Sumlmary ofth geology of Florida and a guidebook to the classic e posures: Florida Geol. Survey Special Publication No. 5 (revised), 255 p. Rainwater, F. H., and Thatcher, L. L. . 1960 Methods for collection and analysis of water samples: U. S. Geol. Survey Water-Supply 1'apbr 1454, 301 p. Sellards, E. H. 1908 A preliminary report on te't&indergrotnd( water supply of c tral Florida: Florida ,Geol. Surey Bull. 1, 108 p. Sellards, E. H., and Gunter, Herman 1913 Th; artesian water supply of eastern and southern Florida: Florida Geol. Survey 5th Ann. Rept., p. 103-290. Stringfield, V. T. 1935 The piezomnetric surface of artesian water in the Florida Peninsula: Am. Geophys. Union Trans., 16th Ann. Mtg., pt. 2, p. 524-529. 1936 Artesian water in the Florida Peninsula: U. S. Geol. Survey Water-Supply Paper 773-C, p. 115-195. Stringfield, V. T., and Cooper, H. H., Jr. 1950 Ground water in Florida: Florida Geol. Survey Inf. Cire. 8, 6 p. Theis, C. V. 1938 The significance and nature of the cone of depression in groundwater bodies: Econ. Geology, v. 33, no. 8, p. 889-902. U. S. Geological Survey 1943 Progress report on hydrologic studies of lake sources of municipal water supplies of Orlando, Florida: Open-file rept. 1954 Water loss investigation: Lake Hefner studies, technical report: U. S. Geological Survey Prof. Paper 269, 158 p. U. S. Weather Bureau 1960 Climatological data, Florida, annual summary, 1960: v. 64, no. 13. Unklesbay, A. G., 1944 Ground-water conditions in Orlando and vicinity, Florida: Fla. Geol. Survey Rept. Inv. 5, 72 p. Vernon, R. O. 1951 Geology of Citruts and Levy Counties, Florida: Fla. Geol. Survey Bull, 33, 256 p. Wander, I. W., and Reitz, H. J.. 1951 The chemical composition of irrigation water used in Florida citrns groves: Florida Univ. Agt. Exp. Sta. Bull. 480, 7 p. White, W. A. 1958 Some geomorphic features of central peninsular Florida: Florida Geol. Survey Bull. 41, 92 p. Wilcox, 1955 ssificatn and use of irrigation waters: U. S. Dept, of Agricultur~ Circ. 969, 19 p.