@misc{indiciae4996f941d7a9, title = {Flow of river water into a karstic limestone aquifer: 2. Dating the young fraction in groundwater mixtures in the Upper Floridan aquifer near Valdosta, Georgia}, author = {Niel Plummer and E. Busenberg and S. Drenkard and P. Schlosser and B. Ekwurzel and R. Weppernig and J. B. McConnell and R. L. Michel}, year = {1998}, doi = {10.1016/s0883-2927(98)00032-8}, url = {https://pubs.usgs.gov/publication/70020591}, note = {Source identifier: 70020591} }