TY  - RPRT
TI  - Potentiometric surface of the Upper Floridan aquifer in the St. John's Water Management District and vicinity, Florida, September 1993
AU  - R. M. Spechler
AU  - G. G. Phelps
AU  - L. A. Bradner
AU  - L. C. Murray
AU  - K. J. Halford
PY  - 1993
DO  - 10.3133/ofr9433
UR  - https://pubs.usgs.gov/publication/ofr9433
ID  - ofr9433
ER  -