TY - RPRT TI - Position of the saltwater-freshwater interface in the upper part of the Floridan Aquifer, southwest Florida, 1979 AU - K.W. Causseaux AU - J. D. Fretwell PY - 1982 DO - 10.3133/ofr8290 UR - https://pubs.usgs.gov/publication/ofr8290 ID - ofr8290 ER -