TY - RPRT TI - Potentiometric surface map of the Floridan aquifer in central Sumter County, Florida, May 1979 AU - A. S. Navoy AU - Warren Anderson PY - 1979 DO - 10.3133/ofr791592 UR - https://pubs.usgs.gov/publication/ofr791592 ID - ofr791592 ER -