TY  - RPRT
TI  - Potentiometric surface of the upper Floridan aquifer, west-central Florida, September 1989
AU  - Lari A. Knochenmus
AU  - G. L. Barr
PY  - 1990
DO  - 10.3133/ofr90133
UR  - https://pubs.usgs.gov/publication/ofr90133
ID  - ofr90133
ER  -