Graphs showing surface-and groundwater elevations at Congaree River Congaree National Park, RIC-699 (Group 1 well), RIC-703 (Group 2 well), and RIC-341 (Group 3 well), and groundwater elevations for RIC-699 (Group 1 well), and RIC-702 and RIC-704

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Nine geologic units are defined in the Cretaceous and Tertiary section of east-central Georgia. Cretaceous geologic units include the Cape Fear Formation, the Middendorf Formation, the

Map showing locations of wells sampled for this report and extent of chloridecontamination plume in downtown Brunswick, and well sampled on Colonels Island, Glynn County, Georgia ……………………………………………………………… 14. Graph showing major cation and anion compositions of water samples from the Upper Floridan aquifer, and the upper permeable and Fernandina permeable zones of the Lower Floridan aquifer at the Coastal Sound Science Initiative wells, and at Upper Floridan aquifer monitoring wells in Brunswick and St Marys, Georgia, and for a modern seawater sample …………………………………………………………… 15. Graph showing stable oxygen and hydrogen isotopic compositions of borehole-water samples collected from wells open to the Upper Floridan aquifer and the upper permeable and Fernandina permeable zones of the Lower Floridan aquifer in the Coastal Sound Science Initiative study area, and a modern seawater sample, relative to Vienna-Standard Mean Ocean Water …………………………………… 16. Graph showing relation of stable carbon isotopic composition, relative to Peedee Belemnite, and dissolved sulfate with water types in samples collected from the Floridan aquifer system in the Coastal Sound Science Initiative study area, Georgia ……………………………………………………………………………… 17. Graph showing relation of strontium isotope ratio with the inverse of strontium concentration in water samples collected from wells open to the Upper and Lower Floridan aquifers in the Coastal Sound Science Initiative study area, Georgia …… Tables 1. Georgia wells used for water-level monitoring, aquifer testing, and water-quality sampling in the Coastal Sound Science Initiative study area, Georgia …………… 2.

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