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DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Raster surface depicting the top of the regional middle confining unit (base of Upper Floridan aquifer)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: September 15, 2025 | Last Modified: 20201117
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of the U.S. Geological Survey Groundwater Resources Program. This feature class contains a gridded surface depicting the top of the middle confining unit of the FAS in feet relative to NGVD29.

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