the Catalog of U.S. Government Publications (CGP) is the finding tool for electronic and print publications from the legislative, executive, and judicial branches of the U.S. government. These publications make up the National Bibliography of U.S. Government Publications. The CGP contains descriptive records for historical and current publications and provides direct links to those that are available online.

The Congressional Research service issues reports to Congress on important topics. The Univ. of North Texas makes reports available.

DCNR is charged with managing the state forest system for many uses and values—including natural gas development—all while protecting its ecological integrity and wild character. Since 1947, DCNR has overseen controlled natural gas extraction on state forest lands.

Search on your topic on the upper right of the webpage. Check for coverage of (for example) lead in drinking water, or pollution related issues generally.

The State and Local Government Internet directory provides convenient one-stop access to the websites of thousands of state agencies and city and county governments

Provides data on exploration and reserves, storage, imports and exports, production, prices and sales.

Official Website of the EPA. A quick way to drill down to info on your topic is to use the popular topics list. You can also search the website by Keyword in the top right searchbox.