Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

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.

Google Analytics Dashboard for The difference between the potentiometric surfaces of the upper Patapsco aquifer, September 1990 and September 1999 in southern Maryland

The difference between the potentiometric surfaces of the upper Patapsco aquifer, September 1990 and September 1999 in southern Maryland

URI: https://pubs.usgs.gov/publication/ofr01209

Display as: