TY  - RPRT
TI  - Potentiometric surface map of the Floridan Aquifer in the St. Johns River water management district and vicinity, Florida, September 1978
AU  - F. A. Watkins
AU  - C. P. Laughlin
AU  - E. C. Hayes
PY  - 1979
DO  - 10.3133/ofr79986
UR  - https://pubs.usgs.gov/publication/ofr79986
ID  - ofr79986
ER  -