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 Conceptual model of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada

Conceptual model of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada

URI: https://pubs.usgs.gov/publication/sir20145055

Display as: