TY - GEN T1 - Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida CY - Denver, Colo. : CN - I 19.76: PB - The Survey : PB - U.S. Geological Survey, Books and Open-File Reports [Section, distributor, PP - Denver, Colo. : N1 - Title varies slightly (some issues prior to May 1983 have title: Potentiometric surface of the Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida). N1 - Potentiometric contours. N1 - Includes explanation text, and location map. N1 - Description based on: May 1989. ID - 219296 KW - Groundwater KW - Aquifers TI - Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida ER -