TY - RPRT TI - The potentiometric surface and water quality of the Floridan aquifer; in southwest Hillsborough County, Florida, 1952-74 AU - A. Dan Duerr PY - 1975 DO - 10.3133/wri7550 UR - https://pubs.usgs.gov/publication/wri7550 ID - wri7550 ER -