TY  - RPRT
TI  - Potentiometric surface map of the Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1977
AU  - Charles P. Laughlin
AU  - Eugene C. Hayes
PY  - 1977
DO  - 10.3133/ofr77629
UR  - https://pubs.usgs.gov/publication/ofr77629
ID  - ofr77629
ER  -