TY - RPRT TI - Potentiometric surface of the Upper Floridan aquifer in Florida and parts of Georgia, South Carolina, and Alabama, May – June 2010 AU - Sandra L. Kinnaman AU - Joann F. Dixon PY - 2011 DO - 10.3133/sim3182 UR - https://pubs.usgs.gov/publication/sim3182 ID - sim3182 ER -