@misc{indiciaebff0da84f031, title = {Geochemical and isotopic composition of ground water with emphasis on sources of sulfate in the upper Floridan Aquifer in parts of Marion, Sumter, and Citrus counties, Florida}, author = {Laura A. Sacks}, year = {1996}, doi = {10.3133/wri954251}, url = {https://pubs.usgs.gov/publication/wri954251}, note = {Source identifier: wri954251} }