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Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1988

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Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1988; 1988; OFR; 88-460; Schiner, George R.

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This map shows the potentiometric surface of the Upper Floridan aquifer in the St. Johns River Water Management District and vicinity, for May 1988. The Upper Floridan aquifer is the principal source of potable water in the area. Water level measurements were made on approximately 1,000 wells and on several springs. The potentiometric surface is shown mostly by 5-foot contour intervals. In the Fernandina Beach area of Nassau County, a 30-foot interval is used to show a deep cone of depression. The potentiometric surface ranged from 127 ft above sea level in Polk County to 79 ft below sea level in Nassau County. Water levels in many key wells were about the May average. Most levels in the district were below the levels of May 1987. [...]

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Harvested on Mon Jul 21 13:38:23 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown ofr88460
local-pk unknown 41183
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.3133/ofr88460
series unknown Open-File Report

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citationTypeReport
edition-
journalOpen-File Report
languageENGLISH

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