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 Chemical analyses of tuffs and some lava flows in Paleogene formations in western Washington and northwestern Oregon
Chemical analyses of tuffs and some lava flows in Paleogene formations in western Washington and northwestern Oregon