Ground-water levels in selected well fields and in west-central Florida, May 1981

Effects of aquifer heterogeneity on ground-water flow and chloride concentrations in the Upper Floridan aquifer near and within an active pumping well field, west-central Florida

“…A predevelopment potentiometric-surface map of the Upper Floridan aquifer was constructed by Johnston and others (1980). Potentiometric maps of the EW well field were prepared from 1978 to 1982 by the USGS (Hutchinson and Mills, 1977;Mills, 1977a,b, 1978;Wolansky and others, 1978a,b;Wolansky, and others, 1979;Joyner and Gerhart, 1980;Yobbi, and others, 1980a,b,c;Yobbi and Woodham, 1981;Yobbi and Barr, 1982;Barr, , 1983.…”