TY  - RPRT
TI  - Map of northwestern Hillsborough County, Florida, showing the piezometric surface, November 21-23, 1957
AU  - Walter S. Wetterhall
PY  - 1957
DO  - 10.3133/ofr57122
UR  - https://pubs.usgs.gov/publication/ofr57122
ID  - ofr57122
ER  -