Revision History for Professional Paper 1807

Lester J. Williams and Eve L. Kuniansky

Revised Hydrogeologic Framework of the Floridan Aquifer System in Florida and Parts of Georgia, Alabama, and South Carolina

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Posted online on April 8, 2015

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Revised and reposted on March 1, 2016, Version 1.1

Figure 36, the label “Suwannee Limestone” was added below the Hawthorn Group.

Figure 39 and plate 17 were updated as follows.

The approximate stratigraphic formation line delineating where the Ocala Limestone formation of late Eocene age is above the Avon Park Formation of middle Eocene age 
from Miller (1986, plate 6) was added to cross-section K-K', the subject of both illustrations.

Reference Miller, J.A., 1986, Hydrogeologic framework of the Floridan aquifer system in Florida and in parts of Georgia, Alabama, and South Carolina: U.S. Geological Survey Professional Paper 
1403–B, 91 p.