TY  - RPRT
TI  - Potentiometric surface map of the Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1979
AU  - Charles P. Laughlin
AU  - E. C. Hayes
AU  - George R. Schiner
PY  - 1980
DO  - 10.3133/ofr8069
UR  - https://pubs.usgs.gov/publication/ofr8069
ID  - ofr8069
ER  -