TY - RPRT TI - Potentiometric surface of Floridan aquifer, Southwest Florida Water Management District and adjacent areas, September 1977 AU - P.D. Ryder AU - L. R. Mills AU - C. P. Laughlin PY - 1978 DO - 10.3133/wri789 UR - https://pubs.usgs.gov/publication/wri789 ID - wri789 ER -