Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The potentiometric surface altitude was measured at 70 observation wells and 31 supply wells screened in the Magothy aquifer and the contiguous and hydraulically connected Jameco aquifer during...
data.gov
An official website of the GSA's Technology Transformation Services