TY - RPRT TI - Potentiometric surface of Floridan aquifer May 1975, and change of potentiometric surface 1969 to 1975, Southwest Florida Water Management District and adjacent areas AU - L. R. Mills AU - C. P. Laughlin PY - 1976 DO - 10.3133/wri7680 UR - https://pubs.usgs.gov/publication/wri7680 ID - wri7680 ER -