TY  - RPRT
TI  - Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1989
AU  - George R. Schiner
PY  - 1989
DO  - 10.3133/ofr89417
UR  - https://pubs.usgs.gov/publication/ofr89417
ID  - ofr89417
ER  -