TY - RPRT TI - Potentiometric surface of the upper Floridan Aquifer, west-central Florida, September 1997 AU - P. A. Metz AU - J. A. Mattie AU - A. E. Torres AU - M. A. Corral PY - 1998 DO - 10.3133/ofr98100 UR - https://pubs.usgs.gov/publication/ofr98100 ID - ofr98100 ER -