TY - RPRT TI - Two maps of Dade County, Florida, showing approximate position of the 1,000-ppm isochlor as of 1951 and approximate area of potential salt-water penetration under 1945 conditions AU - N.D. Hoy PY - 1952 DO - 10.3133/ofr5278 UR - https://pubs.usgs.gov/publication/ofr5278 ID - ofr5278 ER -