An official website of the United States government
Here’s how you know
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.
Google Analytics Dashboard for Digital map data, text, and graphical images in support of the 1995 National assessment of United States oil and gas resources
Digital map data, text, and graphical images in support of the 1995 National assessment of United States oil and gas resources