TY  - RPRT
TI  - Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, May 2001
AU  - Leel Knowles
PY  - 2001
DO  - 10.3133/ofr01313
UR  - https://pubs.usgs.gov/publication/ofr01313
ID  - ofr01313
ER  -