Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida
Water-Resources Investigations Report
83-4101
By: Rick M. Spechler
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Abstract
The Floridan aquifer is the principal source of freshwater to wells in most of St. Johns County. The aquifer consists of a thick sequence of interbedded limestone and dolomite of Eocene age. The top of the Floridan aquifer, which is irregular throughout St. Johns County, ranges from less than 90 feet below sea level in the extreme southestern part to more than 360 feet below sea level in the northern part. (USGS)
Suggested Citation
Spechler, R.M., 1983, Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida: U.S. Geological Survey Water-Resources Investigations Report 83-4101, 1 map : col. ; 98 x 72 cm., folded in envelope 31 x 23 cm., https://doi.org/10.3133/wri834101.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida |
| Series title | Water-Resources Investigations Report |
| Series number | 83-4101 |
| DOI | 10.3133/wri834101 |
| Year Published | 1983 |
| Language | ENGLISH |
| Description | 1 map : col. ; 98 x 72 cm., folded in envelope 31 x 23 cm. |