TY - RPRT TI - Six cross sections and an index map of the Miami area, Florida, showing changes in the position of the salt front in the Biscayne aquifer from 1946 to 1950 AU - N.D. Hoy PY - 1951 DO - 10.3133/ofr51119 UR - https://pubs.usgs.gov/publication/ofr51119 ID - ofr51119 ER -