TY - RPRT TI - Geochemical and isotopic composition of ground water, with emphasis on sources of sulfate, in the upper Floridan aquifer and intermediate aquifer system in southwest Florida AU - Laura A. Sacks AU - Ann B. Tihansky PY - 1996 DO - 10.3133/wri964146 UR - https://pubs.usgs.gov/publication/wri964146 ID - wri964146 ER -